After getting fired by Benson, Rigby goes into the mentor program and Muscle Man turns out to be his mentor, things don't go as planned.

Muscle Mentor

J.G. Quintel

William Salyers

Mark Hamill

Sam Marin

Andres Salaff

John Infantino

Trucker Hall of Fame

Access Denied

Benson tries to get back Mordecai and Rigby's stick hockey table when he wrongfully gives it away.

Stick Hockey

While playing a video game, Mordecai and Rigby make a bet in which the loser of the game has to wear the hairstyle of their game character. Rigby cheats to win the bet and Mordecai is forced to wear a blonde hairstyle.

Bet to Be Blonde

When the park's bowling team, "The Park Strikers" make it to the championship match in a bowling tournament, Death, the lead member of the rival championship team threatens to reveal Skips' secret if he does not back out.

Skips Strikes

The gang sits around trying to tell the scariest Halloween story.

Terror Tales of the Park

Mordecai and Rigby take Margaret and Eileen to a secret camping spot to show them how great camping is.

Camping Can Be Cool

Mordecai and Rigby challenge Muscleman and High-Five Ghost to a game of basketball for computer rights and so Mordecai can make Margaret a website.

Slam Dunk

Mordecai and Rigby try to get Benson to admit they are cool when he bans them from using the cart.

Cool Bikes

Mordecai and Rigby try to live on their own when they get tired of Benson's excessive house rules.

House Rules

When a skilled rap group know as "CrewCrew" insult Pops and his poems, Mordecai and Rigby join with him when he challenges them to a rap battle.

Rap It Up

The guys try to get a girl's phone number in order to win a bet with Margaret and Eileen.

Cruisin'

Mordecai and Rigby try to find the man who sprayed graffiti on the bathroom wall when they wrongfully accuse Muscle Man and get him fired.

Under the Hood

When Mordecai and Rigby accidentally knock Benson unconscious, they try to make it seem like it was a dream by dropping him off at his apartment, but end up taking him to his neighbors party to help him impress her.

Weekend at Benson's

Benson takes the gang to a Chinese Restaurant on a count of his streak of good luck. But when Rigby switches his fortune with Benson's, he gives his bad luck to Benson.

Fortune Cookie

Pops threatens to fire Benson if he does not stop yelling at Mordecai and Rigby.

Think Positive

Skips tries to learn how to use a computer when Mordecai and Rigby need him to fix a virus.

Skips vs. Technology

Mordecai accidentally pocket dials Margaret on his cell phone, and he has to erase the embarrassing message he left on her voicemail.

Butt Dial

Mordecai wants to win a hat for Rigby by eating a huge omelet.

Eggscellent

Muscle Man wants to be appreciated at the park so he threatens to leave and take a job as a gut model.

Gut Model

Mordecai and Skips decide to work together to win the grand prize in a video game tournament. When Rigby finds out Mordecai chose Skips instead of him, his feelings are hurt.

Video Game Wizards

Mordecai and Rigby have to tell Muscle Man that the million dollar scratcher ticket they gave him for his birthday is a fake without getting killed for it.

Big Winner

Mordecai and Rigby try to outfox Benson using holograms so that they can eat the best burgers in the world.

The Best Burger in the World

When Benson tries out an ostrich and a possum as replacements for Mordecai and Rigby, they have to fight for their jobs.

Replaced

Rigby changes his name and has to change it back when he realizes that he picked the stupidest name ever... "Trash Boat."

Trash Boat

Mordecai and Rigby have to do Skips' work for the day when he cashes-in a coupon that they gave to him on his birthday.

Fists of Justice

Mordecai thinks that Margaret is engaged, and he wants to find a girlfriend as soon as possible to try and get over her.

Yes Dude Yes

Mordecai and Rigby bust up the cart and have to go on a road trip with Benson to the dealership before the warranty expires.

Busted Cart

Death will spare Muscle Man's life if Mordecai and Rigby babysit his kid and have him asleep before he returns.

Dead at Eight

Margaret and Eileen invite Mordecai and Rigby to a club, but they are denied entrance because their clothes aren't good enough.

After Muscle Man's father dies, Benson asks Mordecai and Rigby to help him get to the Trucker Hall of Fame to spread Muscle Dad's trucker hat ashes.

When the golf cart owned by the Park goes out of commission, Benson orders Mordecai and Rigby to throw it away. But before throwing it away, the cart comes to life asking them for one more day alive.

Out of Commission

Muscleman has to learn proper mealtime etiquette when he decides to take Starla and her parents to a fancy restaurant to impress them.

Fancy Restaurant

Mordecai and Rigby discover Margaret's diary while she is away and accidentally break the lock. Worried that she'll think they read her diary, they set about trying to repair it.

Diary

Mordecai and Rigby have to return an overdue VHS to the store so they won't be banned from renting new movies.

The Best VHS in the World

Muscle Man vows to never prank again when one of his pranks injures Pops. A rivalry park takes this opportunity to attack the park with pranks of all kinds. The only way the park can be saved is if Muscle Man decides to prank again.

Prankless

Rigby challenges Mordecai to get a picture inside Death Bear's cage at the abandoned zoo to prove that he isn't afraid of the old folklore.

Death Bear

The gang tries to win a pair of fuzzy dice for Pops' Birthday. But its not for sale and it is only located in a smelly, greasy arcade known as the "Fun-Fun Zone".

Fuzzy Dice

After Pops consumes a double glazed apple crisp, the gang must figure out a way to make Pops crash.

Sugar Rush

Mordecai tries to fix his bad kiss with Margaret by using Rigby's time machine.

Bad Kiss

The surreal misadventures of two best friends - a blue jay and a raccoon - as they seek to liven up their mundane jobs as groundskeepers at the local park.

Muscle Mentor

Seasons8

Season 3 Episodes39

Cast4

Crew3

Discussion

Episode Summary