Every season of Lab Rats ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Lab Rats!

Leo discovers three teen super-humans Adam, Bree and Chase, living in a secret underground lab in the high-tech home he shares with his inventor stepdad, Donald Davenport, his mom, Tasha, and Eddy, the "smart house" computer. Leo takes the trio to school, but when they are unable to contain their bionic abilities on campus, Davenport sends them away to a remote secret lab.

Crush Chop and Burn (1)

The trio has switched places with robot versions of themselves, sending the robots to the remote lab. Tasha is afraid of Leo's attachment to the 'robots' and convences Donald to send them to the scrap yard. Leo heads off to rescue his new friends. On their return home Donald agrees to let them stay and learn about normal human life if they and Leo can keep their bionic powers a secret.

Crush Chop and Burn (2)

On the Lab Rats' first day of school, all goes awry when Chase is confronted by a football player and his "Commando App" is triggered, transforming him into Spike, an unruly drill sergeant. When Spike defies the school principal, she pits the Lab Rats up against the football team to battle it out for the coveted cafeteria table

Commando App

When Leo needs help asking a girl to the school dance, Adam and Chase step in to help, but the plan backfires when she falls for the wrong brother. The boys decide to settle their differences on the dance floor and each show off their best moves. Meanwhile, Bree gets to know her crush, but he gets to know her glitche

Leo's Jam

The Lab Rats get their first mission to stop Davenport's hi-tech super fast train from speeding out of control.

Rats on a Train

When Davenport's prized invention, a super strength and laser empowered exoskeleton suit, malfunctions, after Chase reverses its controls, to get back at Leo for stealing his presenting job. However, it ends up unleashing destructive power on the household, making Leo's grandma even more suspicious of the family.

Exoskeleton vs. Grandma

When Chase refuses to admit that Adam has good ideas Adam decides to run against him for student of the semester. Meanwhile, Leo takes advantage of Bree's super speed and starts using her as his personal taxi.

Smart and Smarter

When Adam, Bree and Chase forget to invite Leo to his surprise birthday party, they must make it up to him, so they take Leo into the ultra-cool virtual mission simulator and show him what it's like to be bionic.

Bionic Birthday Fail

Leo & Adam team up for the school fitness challenge expecting Adam's bionics to be his secret weapon; the plan backfires when they end up going head-to-head in the finals. Meanwhile, Bree and Chase use their bionic abilities against one another.

Death Spiral Smackdown

Leo borrows Davenport's helicopter to take Janelle on a daring date. Bree gets her own room and Adam and Chase are excited to have a room to themselves. But things get out of hand and Chase divides the room up.

Can I Borrow the Helicopter?

Future Leo travels back in time to tell Leo, that Chase, Bree, and Adam won't make it to the future, and Leo is the only one who can save them.

Back From the Future

Adam, Bree and Chase switch their bionics but things end up not the way they think when they can't handle it anymore.

Chip Switch

Leo is left alone to care for the Lab Rats, but things quickly go wrong when he plays with a new gadget that glitches Adam, Bree, and Chase.

Drone Alone

Adam, Bree and Chase learn about chores and earn allowance for the first time. To raise more money, they host a yard sale and accidentally sell an antique jewelry box that Davenport was restoring for Tasha.

Chore Wars

Tasha takes the entire family on a nice 'tech free' beach weekend in the RV, but when Davenport discovers a solar flare headed in the Earth's direction, he secretly enlists the help of the Lab Rats.

Dude, Where's My Lab?

In order to fight Trent's bullying, Leo signs up for a one-on-one basketball game against his rival.

Air Leo

When Leo accidentally messes up Eddy, an evil demon Teddy replaces him.

Night of the Living Virus

Adam, Bree, and Chase are caught on Principal Perry's surveillance camera using bionics.

Mission Invisible

Leo is blamed for breaking Marcus' guitar.

Concert in a Can

Chase accidentally discovers that he has a hidden ability - telekinesis.

Mission: Space

Adam, Bree, and Chase sneak out to meet Marcus in Davenport’s new self-driving sports car. When Leo tries to stop them, his nemesis Marcus traps him inside the car and programs it to take him on a wild, high-speed ride bound for the bottom of the Pacific Ocean.

Speed Trapped

Leo turns to Bree for help after he mistakenly unleashes a swarm of robotic flies on the school. Adam and Chase turn their class assignment into a destructive competition.

Spy Fly

Leo finally goes a mission as he helps Davenport and Eddy attempt to stop an underground gas leak. Adam, Bree and Chase struggle to escape from Principal Perry’s detention lockdown.

Missin' the Mission

Bree is exposed to a toxic chemical sending Adam and Chase on a mission for an antidote. Bree escapes quarantine and when her side effects kick in, it's up to Leo to get her back to her capsule.

Quarantined

Chase and Leo enter a robot battling competition.

Robot Fight Club

Adam's confidence plummets after Chase pranks him, so Chase tries to make things right by creating a fake rescue scenario, but his plan backfires and puts him in real danger.

Bro Down

The lab rats go on strike and express their desire to do normal teenage stuff, so Davenport recruits Leo as a "scab" rat for an upcoming demonstration.

The Rats Strike Back

One of Davenports inventions accidentally sucks Leo into an opposite parallel universe where Leo's the one with Bionics, Principal Perry is nice, Adam is a nerd, Chase is a Jock, and Bree is popular.

Parallel Universe

When Chase is not pictured on the yearbook, he enters a talent show to show everyone he's popular by using his bionics to move a chair with his mind. But Leo messes with Chase's bionics and he was mad so he got revenge by going into commando app and then he messes with the kids in the school which causes Davenport to turn off his bionics until he learns his lesson.

Spike's Got Talent

Leo follows Marcus to his secret lair (an abandoned train station) to gather evidence that proves he's bionic but ends up captured by Marcus and told that there bionics are just some dumb tricks. Meanwhile, the Lab Rats scramble to bring Tasha back before Davenport finds out that they accidentally teleported her to parts unknown.

Leo vs. Evil

The Lab Rats accidentally damage Davenport's one million dollar painting.

Hole In One

Adam gets a truck. Leo tries to get her mother out of being PTA teacher.

Trucked Out

The Bionic 500

Bionic Showdown (1)

Bionic Showdown (2)

Adam, Bree and Chase use Mr Davenport's new invention to erase moments that could land them in trouble. While, Leo causes chaos when he uses the gadget to accidentally wipe 24 years of Mr Davenport's memory, resetting him to his 15 year old self.

Memory Wipe

When Mr. Davenport invents a new freeze ray gadget, he sends the Lab Rats on a mission to Antartica to collect ice-type fuel for his invention. But when a 'category 5' storm hits Antartica, he calls the mission off. Ignoring Davenport's orders, Chase goes anyways, alone and gets trapped in an avalanche after it collapsed on him. When he tries to find a way out, he runs into Douglas along the way. Meanwhile, Leo tries to impress Janelle, but accidentally freezed her using Davenport's freeze ray gadget.

Avalanche

In an effort to get out of training duties, Adam enlists Leo's help to create a duplicate Adam using Davenport's experimental cloning device. However, Adam's clone uses the same device to create another duplicate to avoid going to school and the clones he creates repeat the same process resulting in a mob of ever duplicating Adams.

Adam Up

When the school mascot's Dingo costume is stolen by the rival team, Adam seeks revenge by taking their mascot, a llama. When Chase and Adam try to return the llama they discover that the animal has swallowed hundreds of Davenport's mechanical nanobots causing it to shoot acidic bionic spit.

Llama Drama

When Leo discovers that his nemesis Trent is rattled about a ghostly legend at Mission Creek High, he comes up with a plan for Chase and Adam to use their bionics to stage a haunting at the school.

The Haunting of Mission Creek High

Principal Perry gets the idea to create a robotic version of herself.

Perry 2.0

Chase inadvertently causes Adam to shrink down to two inches.

My Little Brother

Bree is tired of being the target of the boys' pranks.

Prank You Very Much

The Lab Rats go on a rescue mission to save Dr. Evans and travel to Davenport's secret facility in the frozen tundra.

Twas the Mission Before Christmas

Leo and Chase use Davenport's technology to get back at Trent on the day of a big test; Bree gets exposed to a hair growth cream with bad results.

Trent Gets Schooled

The Lab Rats are forced to expose their bionic secret in order to save Principal Perry.

No Going Back

Leo and Donald escape the elevator. Principal Perry lets them stay at  the school temporarily in order to get her money from Donald quicker.  The Lab Rats stow away on a cargo ship to hide from the FBI and must  choose to either keep quiet or help stop a submarine that will crash  into the ship and risk being caught. The Lab Rats decide to stop the  submarine, with Chase activating his GPS, revealing the Lab Rats'  location. Douglas ends up capturing them, disguised as Donald. Douglas  reveals that his new bionic partner is a billionaire named Victor Krane,  who wants to destroy the Lab Rats permanently. When Donald calls the  Lab Rats and tells them that Principal Perry kept their secret, they  return home, only for them to get crazy as a result of the Triton App  and attack the family, Leo manages to disable Chase's Triton App when he  talks to him and Chase manages to disable Adam and Bree's apps. The Lab  Rats and the family later see the demolition that happened to the lab  and are upset.

Sink or Swim (1)

Sink or Swim (2)

Since the lab is destroyed, the Lab Rats go without their capsules. This  causes glitches in their bionics. In order to prevent this, Donald  pulls off a huge stunt in a fiberglass jet wing he invented. Things go  wrong when the jet wing runs out of fuel. Meanwhile, knowing the Lab  Rats' bionic secret, Principal Perry uses Adam and Bree as her bionic  servants for the day.

The Jet-Wing

Since Principal Perry knows that the Lab Rats are bionic, she wants  to get in the action and go on a mission with them. When they stage a  fake mission and take her down to the newly built lab, things don't go  as planned, and they have to save Mission Creek High from a speeding  rocket. Meanwhile, Janelle goes on a date with Leo, but is beginning to  see him as a jinx because she always gets hurt when he is around.

Mission: Mission Creek High

Bree gets a part-time job at a tech-support store with Caitlin, but gets  out-shined by Chase while he is talking to the manager of Tech Town,  Scott. Chase sees how she feels later and they agree to treat each other  with respect. Meanwhile, while Tasha is away visiting Grandma Rose, Leo  and Adam make a turbo zip-line instead of doing the chores that Tasha  gave them, with Donald joining them later. When Tasha finds out about  the zip-line, she makes the boys do the chores and she hangs out on the  turbo zip-line instead, much to the dismay of Adam, Leo, and Donald.

Zip It

Chase loses the phone with a bowling video of him and Adam doing bionic  bowling stunts at Tech Town while working. Leo and Bree try to get  Principal Perry to spend her money when she retires after Donald gives  her money and Trent becomes the principal and makes Leo's life  miserable. It works in the end, but Principal Perry is broke and Scott  fires Caitlin after she destroys an ePhone 7, the one that had Adam and  Chase's bowling stunts on it, while giving them to the customers as  revenge. Leo makes Trent wear a different uniform, but to Bree and Leo's  shock, he loves it, much to their dismay.

Not So Smart Phone

Leo invents his first high-end technological creation, a pair of attack  orbs meant to protect the family, but when they can't differentiate  between friend and enemy, they create more bad than good. Meanwhile,  Chase steals Donald’s Eddy technology to make a Cheddy application to  win a Tech Town employee contest and beat Scott, but things go wrong  when the technology doesn't work as expected. Leo and Tasha go to see  Janelle's play which Adam is starring in, but when Trent steals Leo's  ticket, Leo and Trent ruin her play, much to Adam and Janelle's dismay.

Scramble the Orbs

During a lunar eclipse, Principal Perry arrives at the house to inform  everyone that aliens are on the planet, much to the cha Bree, Chase, and  Donald's chagrin, but Adam and Leo's shock. She insists that Chase's  upset stomach is due to an alien growing inside him and chases him.  However, they notice green goop leaking out of Principal Perry's ears  and mouth. Donald then admits that she's an alien. Principal Perry  chases everyone, while Leo records the whole thing, and eventually tires  herself out. Leo accidentally wakes her and she runs off with him to  the school. Adam's heat vision destroys the alien pods Principal Perry  laid and Leo is freed. The mother ship beams Principal Perry away just  as Donald arrives. Thinking that they will miss Principal Perry, they  are sadly mistaken when the mother ship beams alien-less Principal Perry  back down. It is then revealed the whole thing was Leo's entrant in a  contest.

Principal from Another Planet

Donald shows a new motorcycle to the Lab Rats when they get a video  message from Douglas that Krane has lost it and implanted himself with  more bionic abilities, abilities even he doesn't know about. The Lab  Rats instead believe this to be a trap, leading Donald to activate a new  security system that only he can bypass. While Leo is at Mission Creek  High School, Douglas arrives and tries to appeal to Leo by reminding him  that he knew about Douglas and Marcus before the rest of them. Douglas  then shows Leo video footage of Krane implanting himself with bionics  and asks him to call his brother to prove his honesty. Back at the lab, a  transmission comes in and shows Leo and Tasha captured. While Donald  thinks it's Douglas, Krane reveals himself on-screen as the captor and  demands that the Lab Rats arrive in 10 minutes. While the Lab Rats want  to rescue them, Donald heads out alone with an extremely powerful  thermal blaster. Donald arrives at Krane's lair, only for Krane to  siphon the power from the blaster, rendering it useless and quickly  beating Donald with super strength and molecularkinesis. During the  battle, Leo and Tasha are trapped in an exothermic energy field to fry  them. Afterward, Krane geo-leaps to the lab, allowing Donald to use the  thermal blaster to suck in the heat to set Leo and Tasha free. As Chase  works to deactivate the security system, Krane arrives and easily beats  the Lab Rats with his more advanced bionics. Before Krane can finish  them off, Douglas arrives and blasts Krane with a laser blaster.  Although he saves the Lab Rats, Krane quickly recovers and knocks him  down with another force wave. As he once again prepares to attack, Chase  repels his blast back at him with a force-field, defeating him for  good. Douglas plans to capture the unconscious Krane, but Donald arrives  and blames the entire mess on him. Unfortunately, Krane geo-leaps out  of the house and Donald demands that Douglas leaves.

Taken

Bree is accepted for a semester abroad program in Australia, but when  Donald learns about it, he refuses to let her go. When Donald again  refuses to let her go to a concert with her friends in favor of bionic  chip maintenance, she decides she's had enough and smashes her bionic  chip, much to Adam, Chase, and Donald's horror. At first, Bree relishes  her new freedom and even begins bragging to a disgruntled Leo. During a  mission, Bree feels helpless as Adam and Chase are gone for hours. Chase  reveals that they barely made it out alive and because Bree is no  longer bionic, the mission took twice as long. Bree realizes she was  selfish and apologizes to Adam and Chase. She's ready to become bionic  again, but Donald sadly tells her that since Douglas built the chips, he  isn't sure if Bree will ever be bionic again. Meanwhile, Tasha is sick,  so Leo decides to use his new pill invention on her to see if her  diagnosis will reveal the problem, but when he takes some of the  software from Eddy, Eddy is stuck in Tasha's body. Eddy spends the day  dressing her horribly and getting her kicked out of every spot in town.  Donald finally uses his nasal vacuum on Eddy and the pill is extracted.  However, Eddy reveals he did a news report as Tasha, and much to her  shock, he made her look like a complete buffoon.

Three Minus Bree

As Donald attempts to repair Bree's damaged chip, the replacement chip  keeps malfunctioning, much to Donald's frustration. Although Leo  believes Douglas can help since he was the original creator, Donald  refuses to even see his brother again. Realizing Donald won't change his  mind, Leo finds Douglas, anyway, who reluctantly agrees to help. While  Donald is away, Douglas creates a new chip as close to the original as  possible, and though it seems to work, it also malfunctions by causing  Bree to run uncontrollably. Donald finds Leo with Douglas at the lab,  but helps out and all three manage to keep Bree still; however, they  still can't find a solution. After several minutes, they finally find  the error and collaborate for the first time in years, fixing Bree's  chip and saving her life. Meanwhile, Adam and Chase try to find a way to  replace Bree's speed. While Chase manages to power up Donald's  motorcycle to go 350-400 MPH, it runs out of gas almost instantly. After  Bree's chip is fixed, Donald still kicks out his brother. While  watching Bree apologize for her mistake, Donald realizes everyone  deserves a second chance. The next morning, Donald offers his brother a  chance to move in with them temporarily, and he accepts.

Which Father Knows Best?

Leo's scared by a shark movie, so Adam and Chase use one of Donald's  sharks to scare him, but it goes haywire and Adam, Chase, Leo, and  Janelle end up stuck in the house. In the end, Leo turns the sharks off.  Meanwhile, Principal Perry enlists Bree and Donald's help to get into a  country club, but when she lies that Donald is her husband and Bree is  her daughter and they have pottery around the world, Bree must use super  speed to go places without the country club owner knowing about her  bionics. Eventually, Principal Perry doesn't get in after the manager  figures out the lies, but she decides to spend the summer with the  Davenports.

Cyborg Shark Attack

When the Lab Rats are on a mission, it is revealed that a girl was  secretly recording them behind a bush. The next day, the Lab Rats go to  school and everyone is looking at a viral video called The World's First Bionic Humans.  They go back home to tell Donald, but he says he already knows.  Meanwhile, Chase is confused that he didn't notice the girl who filmed  them behind the bush, even though he thermal scanned the whole place. He  then looks at a chip log and finds out that the girl was in the exact  spot he scanned. Chase then goes to tell Donald, but a swarm of  government agents surrounds them. Leo and Douglas are still in the lab,  but they use a trap door to escape and go to school to stay safe. It is  then revealed that the mission the Lab Rats were on was a setup. Krane  then shows up with the girl who filmed the Lab Rats, whose name is  revealed to be S-1. It is also revealed that she is bionic. Krane  electrocutes Principal Perry and Douglas while S-1 crushes Leo's arm.  Later, Douglas and Principal Perry help Leo to get his arm fixed and  take him to the hospital. Tasha later shows up, only to realize that Leo  is gone. While the Lab Rats are saying their goodbyes, Special Agent  Graham tells them it's time to leave, but Adam refuses. Agent Graham  orders his agents to take them down, but Adam uses his wave blast  ability to knock them down. When they run to the hospital, Principal  Perry tells them Krane is responsible for exposing their bionics.  Meanwhile, Leo is in Douglas and Krane's old warehouse and Douglas tells  him to take his bandage off and pretend to throw a ball. He then  realizes that Douglas upgraded his right arm with bionics. Krane then  shows up and knocks down Leo and Douglas. The Lab Rats then show up with  Donald, as Krane uses a powerful bionic ability that knocks out Leo,  Donald, and the Lab Rats. Krane then paralyzes Donald with his choking  ability. Bree battles S-1 while Adam and Chase battle Krane, but he  easily takes them down with his newly upgraded Triton App that he uses  on S-1. Leo then uses his bionic arm to take down Krane. As Agent Graham  arrives, Douglas reveals that Krane and S-1 are the bionic villains.  Agent Graham is then saved by Bree as Krane tries to attack him and he  takes Krane and S-1 into custody and locks them in a prison with a  bionic signal interrupter, preventing them from using their bionics to  get out. Later, the Lab Rats are at a press conference and reveal that  they are bionic superhumans. While watching it, Principal Perry makes  new friends with the Lab Rats. In the end, Agent Graham tells Donald  he's now in charge of the Lab Rats. It is also revealed that Krane has  an army of bionic soldiers, which he will use to destroy the Lab Rats.

You Posted What!?! (1)

You Posted What!?! (2)

Leo tries to show off his bionic arm to Janelle. Meanwhile, Agent Graham  promotes the Lab Rats as bionic celebrities, but when they realize they  missed a mission because of him, they decide to get Donald back as  their leader by pretending to have glitches in their bionics to  humiliate Graham in front of the President of the United States when he  comes to visit them. In the end, Donald is back as their leader after  Agent Graham is fired by the president, arrested by the Secret Service,  and sent to prison.

Armed and Dangerous

Donald and the Lab Rats attend a fan convention about the movie, Alien  Gladiators. The Lab Rats queue up to meet Andre Ethier, but Caitlin  comes and makes them let her cut in line in front of them, getting the  lost spot and meeting Andre Ethier. They fight with Caitlin and are  thrown in a security holding area with a fanboy. Meanwhile, Leo and  Donald are taking part in the Fire Staff Competition to get the walk-in  role in the next Alien Gladiators movie.

Alien Gladiators

Chase feels that it is unfair to be picked on by Adam every time and  tells Donald. Douglas overhears and unlocks a new ability for Chase,  upsetting the balance in the house. Douglas tries to fix things by  giving Adam a new ability as well, but Adam and Chase end up fighting  with one another. Meanwhile, Bree tells Leo about a contest at Tech Town  as they are about to hit their one-millionth customer and Leo competes  to ride on the first anti-gravity roller coaster and meet the owner of  Tech Town. Principal Perry tries to compete to crush Leo's dream. In the  end, Chase and Adam have a death battle, but eventually forgive each  other and find out that Douglas gave Bree the ability to go invisible,  scaring everyone in the lab.

Brother Battle

Chase gets a girl interested in him, but Adam gets jealous and tries to  ruin their date by having Chase turn back into Spike. Meanwhile, Leo and  Bree suspect that Principal Perry has murdered a cook from the  cafeteria and Donald. They then find out it was about a hamburger truck  and they misunderstood everything.

Spike Fright

Bree wants to get revenge on Adam for embarrassing her in front of her  boyfriend, Jake. Working with Chase, she puts on a cyber cloak that  makes her look and sound exactly like Principal Perry and embarrasses  Adam in front of the whole school. However, when she shows Adam the  cyber cloak right before the dance that night, it glitches and won't  come off. Bree then makes Chase wear a cyber cloak of herself and go to  the dance with Jake. While that's going on, Leo and Douglas snoop in  Donald's briefcase and compete for what they think is to be his new  vice-president, only to find out it was for the Davenport Industries  softball team. Donald then finds out that he had two cyber cloaks  missing and deactivates them. This embarrasses Chase and gets Bree into  trouble with Jake. She then thinks she's patched things up with Jake,  but it's really Principal Perry wearing a cyber cloak.

Face Off

During Christmas, when the Lab Rats discover that their new action figures are being outsold by another toy, The Nerble,  they attempt to improve their toys by adding special features. After  adding them they decide that the toys are too dangerous for kids and put  them in a box to be destroyed. Tasha is running a toy drive at the  school and is collecting gifts. She finds the action figures and hands  them out. When the Lab Rats find out, they rush to school and try to  catch the action figures. After destroying the toy drive, they find a  way to make it up to Tasha and the kids. Leo and Donald have a snowball  fight in the house and Grandma Rose shows up just as Leo uses his bionic  arm. Rose gets mad and calls Donald a bad father. Donald tries to makes  it up to Rose by giving her a Bree action figure, but it promptly  explodes.

Merry Glitchmas

The Lab Rats plan to gain good publicity by having cameramen film them  during a mission, but it turns into a disaster when they fight for  screen time. After the mission, the president orders the team to stay  away from the public in order to let him settle things down. However, it  goes wrong when Leo and Principal Perry are holding back angry  protesters who want the Lab Rats gone, and Leo accidentally uses his  bionic arm. As the protesters become even more enraged, they try to  storm the house; Adam panics and uses his bionic super breath to blow  everyone off the premises. However, Chase criticizes Adam's actions and  the Lab Rats start fighting. They eventually decide to break the team.  Three weeks later, the Lab Rats refuse to talk to each other, but they  are forced into action when Krane plans to use his Triton App on  everyone in the world. A large battle ensues, pitting Leo, Donald,  Douglas, and the Lab Rats against Krane and his bionic army. Most of the  soldiers attack Adam and Bree, who manage to take them out. Chase has a  one-on-one battle with S-3 and Leo has one-on-one battle against S-1.  Donald and Douglas attack the soldiers surrounding the satellite, but  Krane keeps them from getting too close. Eventually, the Lab Rats and  the rest of the team manage to hold back many of the soldiers, but they  are running out of time to stop Krane. Douglas then reveals that the Lab  Rats can fuse their abilities to stop Krane. They succeed, blasting  Krane into the sky and breaking his control over the soldiers. However,  their victory is cut short when they find out that Donald is in serious  condition after the battle. Later they find out that after the surgery,  Donald is still in a very delicate condition. Leo is made an official  member of the Lab Rats and gets an upgrade to his bionic arm.

Rise of the Secret Soldiers (1)

Rise of the Secret Soldiers (2)

Donald is in critical condition after the battle with Krane and his  soldiers; Leo visits him in the hospital and in an attempt to save him,  he risks his life to perform a dangerous bionic process, accelerating  his aging process, thus turning him into an old man. Meanwhile, after  being deactivated from the Triton App, Krane’s former bionic soldiers  have nowhere to go and follow Adam home. The Lab Rats try to protect  them because they aren't evil anymore. However, the president doesn't  get this and tries to have them arrested, but changes his mind when the  soldiers use their powers to heal and save Leo who almost died of old  age. Right when they are going to be taken into custody, a newly healed  Donald strikes up a deal with the president to build an academy for the  soldiers.

Bionic House Party

Leo finds out that he will be a student at the bionic academy, not a  mentor like Adam, Bree and Chase. Chase engages in a battle against a  former nemesis and Adam mentors a younger student.

First Day of Bionic Academy

Donald leaves the Lab Rats in charge of the bionic academy while he  celebrates his anniversary with Tasha. Leo invites Janelle to the  island, but gets distracted by his nemesis, Spin. Spin challenges Leo to  a bionic battle. Meanwhile, Adam tells Bob to do all the things he  can't do when Donald is around. Bob goes ahead and steals Donald's  plane, but he then hits a button that deactivates the auto-pilot.  Sebastian and the Lab Rats work together to save Bob. Back at the bionic  battle, Leo tries to impress Janelle by battling with Spin. Spin gets  the first attack and knocks Leo over. Leo then fights back and hits Spin  in the leg. Janelle rushes over to Spin, who is crying, and helps him  up. Janelle gets upset at Leo and takes Spin to get a smoothie. It is  then revealed that Spin faked the injury so Janelle would spend time  with him. Leo tries to prove that Spin is faking it by taking his  crutches. Janelle then yells at Leo and carries Spin away. Leo tries  again by filming Spin admitting faking the injury, but Spin then smashes  Leo's tablet. Janelle walks in and yells at Leo and Spin. Leo and Spin  then become her servants and they must give her the vacation that she  deserves. Later, Adam uses Donald's jet wing to fly up to the jet and  save Bob. When Adam tries re-activating the auto-pilot, the plane begins  to fall. Adam helps Bob conquer his fear of heights by jumping out of  the jet. Bob takes Adam's parachute and Adam jumps out to try to get it  from Bob. At Donald's house, just as Donald finishes setting up the  table, Adam and Bob fall through the ceiling. Donald is disappointed  with the Lab Rats. Adam confesses and tells him that he wasn't a good  mentor. Bob tells Donald that Adam was a good mentor by boosting his  confidence. Donald then tells him that his plane was a smart plane that  even without the auto-pilot the plane would land itself automatically.

Adam Steps Up

When Leo is chosen for a mission over Spin, Spin recruits Bob to join  him on an unauthorized mission to prove themselves. They both end up  stuck in quicksand and call Leo to save them. After Leo rescues them,  Donald decides to move Leo up a color. Meanwhile, Principal Perry  returns saying that she wants a job as head of security at the academy.  After countless attempts, Donald agrees, leaving Leo in a particular  despair. Meanwhile, Sebastian tries to help Chase get revenge on Adam  with a virtual reality machine. After that, Chase tells him about his  creator and how they took him out. Later, Sebastian injures Donald with  the machine used to prank Adam. When the Lab Rats take Donald to the  medic, Sebastian turns evil and says that if they took away his father,  then he is going to take away theirs.

Unauthorized Mission

Sebastian has secretly formed an evil rebellion to get revenge on the  Lab Rats for destroying his father. Meanwhile, Leo is trapped with the  other bionic people who also want revenge, but Leo manages to convince  Spin and Bob to help him, and, in the end, Sebastian is defeated, his  rebellion is brought down, and he and his comrades are taken to a  facility. Meanwhile, Donald successfully convinces the others that he  has the best interest for them at heart while Adam still blames Chase  for everything that happened after the rebellion is over.

Bionic Rebellion (1)

Bionic Rebellion (2)

After sneaking some students off the island and to the mainland, the Lab  Rats accidentally leave Spin and Bob behind and must retrieve them  before Donald finds out. Meanwhile, Donald tries on Chase's mission suit  and he and Leo scramble to get it off before Chase gets home.

Left Behind

When suspicious events happen overnight on the bionic island, everyone  is convinced a new threat has emerged. However, this threat is revealed  to be Leo, when his bionics glitch because Douglas never gave Leo a  capsule.

Under Siege

Adam brings a dog back to the island and Douglas reveals that it's his  old dog, Otis, who Douglas made bionic in order to save his life when  Otis was injured. Chase turns out to be allergic to dogs as he starts  sneezing, so Douglas says that Otis has to leave, but he and Adam  actually hide the dog. Meanwhile, Leo gets a new smartphone application  assistant named Shelly, with whom he has fallen in love.

Bionic Dog

The Lab Rats are on a mission to save people from a wildfire; when the  people start to chant Adam, Bree, and Chase's names, Leo gets jealous  and wants to become known. Douglas gets put in charge to develop a new  technology for the academy, but can only come up with things that can  hurt the students.

Mission Mania

Adam and Chase each lead their own student groups against each other in a  series of simulated exercises that will evaluate both student and  mentor performance. However, after Chase's group fails at defeating the  exoskeleton and defusing a virtual bomb, Chase decides to find a way to  cheat and win.

Simulation Manipulation

When Leo is injured during a mission, Tasha rushes to the academy to  take care of him. After finding out what happens on missions, she bans  Leo from joining any more missions, but he disobeys her and goes on a  mission with the rest of the team. When Tasha finds out, she kicks Leo  off the team and tells him that he is moving back to Mission Creek.

Forbidden Hero

Chase and Douglas reanimate a prehistoric sea spider. It escapes and  bites Adam, which poisons him. It then grows and becomes 50 feet long  due to growth hormones that had been given to it by Douglas. Everyone  tries to stop the spider so they can create a cure for Adam.

Spider Island

Douglas finds out that there is a student named Kate with the Commando  App. Chase tries to activate her Commando App, named Spikette by  Douglas, so he can research her. When he starts fighting with Adam, she  activates her Commando App and thinks Chase is her baby. While she  destroys the bionic academy, Bree forces Chase to activate his Commando  App by embarrassing him so he and Kate can battle. Unfortunately, he  teams up with her. Douglas gives Bree a Commando App and she and Kate  begin battling each other. Bree wins and Douglas extracts Kate's chip.  Chase apologizes to Kate and finds out that Douglas replaced her  Commando App with sonic screaming.

Spike vs. Spikette

Chase and Donald have invented a new technology that takes in energy  from any environment. Chase feels that he does not get his share of  spotlight when Donald sells the product without his approval. Meanwhile,  Kaz comes to the bionic academy to get powers, bringing Oliver with  him.

Lab Rats vs. Mighty Med

Donald's top scientist, Dr. Ryan, arrives to test Chase's invention. The  two of them dislike each other and don't get along. When Donald puts  Dr. Ryan in charge of the space elevator, Chase immediately gets  jealous. Donald then makes Chase Dr. Ryan's assistant. Dr. Ryan puts  Chase in charge of screwing in the lug nuts, but Chase refuses, and Dr.  Ryan builds the space elevator without Chase. The day of the launch,  Chase performs a bionic scan of the elevator and finds a major braking  flaw on the elevator.

Space Elevator

Douglas tells the group that his old college ex-girlfriend, a film  director named Giselle, will be making a film titled Bionic Action Hero  based on all of them and starring an up-and-coming actor named Troy  West. Giselle and Troy visit the island to learn about the bionic team.

Bionic Action Hero (1)

Bionic Action Hero (2)

Adam, Bree, and Chase are looking for Leo because he is late for  training and find out he is in Mission Creek because Janelle threatened  to break up with him. S-1 shows up unexpectedly and shocks everyone. She  came to the island because, like everyone else, her memory is blank,  but has continuing flashbacks of Krane.

One of Us

Douglas creates a device that makes any bionic human as smart as Chase.  After Douglas tests it on Bob, Bob starts spending time with Chase. This  leaves Adam in envy. Meanwhile, Perry made the island officially her  own, which makes Bree and Leo angry at her.

Bob Zombie

Donald gives Eddy a human body and replaces his disrespectful  personality to make him nicer. Perry restores his old personality, and  he attempts to harm the students.

Human Eddy

Leo just finishes his movie marathon while everyone else is frustrated  because they have nothing to do on Halloween. Bob intentionally stays  behind while the other students are away with Davenport to a museum.  Perry says she's going to another island across from theirs, but Douglas  says no because it's deserted and has been uninhabited for years. When  Douglas leaves, the group decides to go anyway.

The Curse of the Screaming Skull

Donald tells the group that the president has decided to host an award  ceremony because they have completed their one-thousandth mission and  Leo wants his recognition, but it's only for the original members.  Disappointed, Leo forms his own team with S-1, who calls herself Taylor  now, and Logan.

On the Edge

Tasha arrives on the Bionic Island informing everyone that she has  tickets to a big football game of the Pioneers (mascot of a college that  she went to) vs Vikings (mascot of a college that Perry went to) and  Perry arrives stating that she has been trying to score tickets for  weeks but it was sold out. When she asks Tasha if she has any tickets,  Tasha lies saying that she hasn't. When they are about to enter the  game, Perry eventually finds out the truth, she becomes furious and  destroys the tickets which causes Leo, Donald, and Tasha to try to get  new tickets competing against her in The Ultimate Tailgate Challenge,  hosted by NFL former linebacker Willie McGinest. Meanwhile, Bree  attempts to achieve her college experience by fitting in with a couple  of college students (who are football fans) and attempting to use her  bionics to impress them.

Ultimate Tailgate Challenge

Everyone is shocked when Douglas introduces a fourth bionic sibling  named Daniel who’s been living a normal life with an adopted family.  Daniel later comes to the academy to meet his father, uncle, and  cousins. After Daniel's bionics are accidentally activated by the Lab  Rats, Donald and Douglas find out what happened they have to come clean  to Daniel about his power-replicating abilities. Daniel also finds out  that his cousins are actually his biologic siblings. Filled with anger,  Daniel goes out for air on the beach, where Leo and him have a  conversation about Douglas. Not too long after, Daniel, using Leo's  abilities, accidentally causes a leak in the hydro-loop's fuel tank.  After Adam and Daniel combined their powers to stop it, Douglas  apologizes to Daniel for lying and Daniel decides to give Douglas a  second chance.

And Then There Were Four

In the middle of a massive heat wave, the whole family is going to space  to see Donald's space colony, called "Davenportia". Adam annoys Chase  while Chase tries to give his safety instructions and accidentally  blasts them into space. After leaving the solar system, they initiate  hyper-speed and land on the planet Lithios. In the dome, it's discovered  that Perry sneaked her way in with the rest of the colonists.

Space Colony

Donald and Douglas reveal that they have built an upgrade for all the  students bionics, except for Leo's. But the upgrade doesn't work on  Adam, Bree, and Chase because their systems are older. Adam, Bree, and  Chase are therefore left at their level, while all the students are much  more powerful. Meanwhile, Daniel is brought to the Academy because he  had been using his bionics in the outside world. Douglas decides to  enroll Daniel at the Academy, and he makes Leo his mentor. Leo steadily  tries to teach Daniel, but Daniel proves to be unteachable, so Leo gives  him the upgrade as well. The students steadily start to vanish,  including Daniel. Giselle Vickers, Douglas' old girlfriend, is revealed  to have captured them. Daniel sends a video message to the Island,  requesting help.

The Vanishing (1)

Giselle reveals she dug up Marcus from Douglas' old lair and rebuilt  him, piece-by-piece. Marcus wants revenge on Douglas for leaving him to  die. Everyone rushes Giselle and Marcus, but Marcus knocks everyone  unconscious. Donald and Douglas are tied together in chairs, while Adam,  Bree, Chase, and Leo are put in the chamber with the students, while  Daniel is pulled out.

The Vanishing (2)

Leo is an ordinary teenager who has moved into a high-tech "smart'' house with his mother, inventor stepfather and Eddy, the computer that runs the house. Leo's life becomes less ordinary when, one day, he discovers a secret underground lab that houses three experiments: superhuman teenagers. The trio -- Adam, the strong one, Bree, the fast one and Chase, the smart one -- convinces Leo and his parents to let them leave their lab and join Leo at school, where they try to fit in while having to manage their unpredictable bionic strengths. As Leo figures out a way to keep his new pals' bionic abilities a secret, they help him build self-confidence.

The Best Seasons of Lab Rats

The Best Seasons of Lab Rats

Season 1

Season 3

Season 4

Season 2