- 10.0/101 votes
#1 - Thirst
Season 3 Episode 8 - Aired 6/7/2013
Knock Out and Starscream experiment with synthetic lead and threaten to take over the Deceptacon ship and unleash an old enemy.
Director: Scooter Tidwell
Writer: Marsha Griffin
- 10.0/101 votes
#2 - Parental Stridence
Season 1 Episode 5 - Aired 9/23/2021
When Hope oversteps by trying to teach Sandy manners, Ugga gets her revenge by challenging Hope to do the impossible: civilize Thunk.
Director: Scooter Tidwell
Writer: Matt Smith
- 10.0/101 votes
#3 - Daddy Daughter Day
Season 2 Episode 2 - Aired 4/4/2022
Sandy is finally old enough to join Grug and Eep for the annual Daddy Daughter Day and Grug couldn’t be more excited. But when Sandy struggles to fit in with Grug and Eep’s traditions, Grug has second thoughts.
Director: Scooter Tidwell
Writer: Rich Dahm
- 8.0/101 votes
#4 - As the Kospego Commands!
Season 1 Episode 6 - Aired 4/25/2015
Sideswipe's loyalty to the team comes into question as he and Bumblebee track down a Cybertronian crime-boss.
Director: Scooter Tidwell
Writer: Michael Ryan
- 7.0/104 votes
#5 - Secrets
Season 1 Episode 13 - Aired 3/25/2006
Vilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.
Director: Scooter Tidwell
Writer: Marty Isenberg
- 6.8/104 votes
#6 - A Small Problem
Season 1 Episode 11 - Aired 3/11/2006
Ben gets revenge on an amusement-park attendant who said he was too small to go on a ride.
Director: Scooter Tidwell
Writer: N/A
- 6.6/105 votes
#7 - The Alliance
Season 1 Episode 8 - Aired 2/18/2006
Ben clashes with a female gang member who's become part cyborg.
Director: Scooter Tidwell
Writer: N/A
- 6.5/1011 votes
#8 - And Then There Were 10
Season 1 Episode 1 - Aired 12/27/2005
Average kid, ten year old Ben Tennyson, his Grandpa Max and his cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch like object that has been jettisoned from alien spacecraft high above the Earth.
Director: Scooter Tidwell
Writer: Tom Pugsley
- 6.2/105 votes
#9 - Hunted
Season 1 Episode 5 - Aired 1/28/2006
Ben is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.
Director: Scooter Tidwell
Writer: Adam Beechen
- 6.2/104 votes
#10 - Kevin 11
Season 1 Episode 7 - Aired 2/11/2006
Ben meets a mutant who can absorb any form of energy and may be after the Omnitrix.
Director: Scooter Tidwell
Writer: Greg Klein
- 5.7/103 votes
#11 - Gwen 10
Season 2 Episode 4 - Aired 6/1/2006
In this "how 'bout?" episode, Gwen gets the Omnitrix and the power that comes with it.
Director: Scooter Tidwell
Writer: Greg Klein
- 5.6/107 votes
#12 - The Krakken
Season 1 Episode 3 - Aired 1/14/2006
Ben has his hands full with a giant sea monster and an evil poacher.
Director: Scooter Tidwell
Writer: Joe Kelly
- 5.6/105 votes
#13 - Tourist Trap
Season 1 Episode 6 - Aired 2/4/2006
Ben accidentally releases creatures made of electric energy and must use his own powers to recapture them.
Director: Scooter Tidwell
Writer: N/A
- 5.3/103 votes
#14 - Permanent Retirement
Season 1 Episode 4 - Aired 1/21/2006
Ben must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.
Director: Scooter Tidwell
Writer: N/A
- 5.3/103 votes
#15 - Side Effects
Season 1 Episode 12 - Aired 3/18/2006
Ben's summer cold causes strange physical changes in his alien personas.
Director: Scooter Tidwell
Writer: Greg Klein
- 5.3/103 votes
#16 - Truth
Season 2 Episode 1 - Aired 5/29/2006
After the battle with Vilgax, Grandpa Max retells his story to Ben about his past. He was with an organization that was not known to exist, referred to as "The Plumbers," a group of people who track down extraterrestrial life. Meanwhile, they meet Phil, an old partner of Grandpa Max. But they soon find out that he steals a device, called the Null Void Projector, to selfishly use it to make money by appearing to capture aliens that he alone released himself.
Director: Scooter Tidwell
Writer: Marty Isenberg
- 5.0/103 votes
#17 - Last Laugh
Season 1 Episode 9 - Aired 2/25/2006
Ben discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
Director: Scooter Tidwell
Writer: N/A
- 5.0/103 votes
#18 - Lucky Girl
Season 1 Episode 10 - Aired 3/4/2006
Ben battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms falls into her hands.
Director: Scooter Tidwell
Writer: N/A
- 4.7/103 votes
#19 - The Galactic Enforcers
Season 2 Episode 6 - Aired 6/13/2006
At a museum, Ben sits and reads a comic, daydreaming about himself as a super hero. As Gwen interrupts him, she is not happy how Ben treats the artwork. His day has been a bore, but when an alien vessel arrives, an alien named Volcanus and the bounty hunter Sixsix come to pursue the Biocenthium alloy to complete a mixture with Element X to create a bomb, strong enough to destroy a whole solar system. Suddenly, Ben meets The Galactic Enforcers, a group of three who serve in protecting the galaxy under the conduct code. Ben is intrigued by their heroic appearance, but are they really something to be looking up to?
Director: Scooter Tidwell
Writer: Joe Kelly
- 4.2/105 votes
#20 - Perfect Day
Season 4 Episode 1 - Aired 7/7/2007
Enoch and the Forever Knights return, putting Ben in a dream world where he's tricked into having the perfect day. However, his dream quickly turns into a nightmare.
Director: Scooter Tidwell
Writer: Michael Jelenic
- 4.0/102 votes
#21 - Ready to Rumble
Season 4 Episode 9 - Aired 9/29/2007
When Ben accidentally breaks Gwen's laptop, he participates in the "Ultimate Wrestling Competition" as Four Arms to get the prize money for a new laptop to replace Gwen's broken one.
Director: Scooter Tidwell
Writer: N/A
- 3.5/102 votes
#22 - Ultimate Weapon
Season 2 Episode 8 - Aired 7/6/2006
In Texas, a group of men discover a mysterious mask belonging to Ah Puch, the Mayan god of death and destruction. The mask is the key to the ultimate weapon in the world, known as the Sword of Ekchuah. However, when Grandpa Max and his grandkids learn that the mask is discovered, he impatiently sets out to obtain the mask, so that it does not fall in the wrong hands. Unfortunately, they find out that Enoch of The Organization is after it as well. The kids worry of how Grandpa Max has become, but with Enoch in the way, will Grandpa Max find the sword before him?
Director: Scooter Tidwell
Writer: Jeff Hare
- 3.5/102 votes
#23 - The Unnaturals
Season 3 Episode 9 - Aired 3/17/2007
While attending the Little League World Series to see his home team play, Ben discovers that the opponents are actually robots posing as kids. They also have plans to replace the President with one, as well.
Director: Scooter Tidwell
Writer: Marty Isenberg
- 3.5/102 votes
#24 - The Return
Season 3 Episode 11 - Aired 4/7/2007
While driving on a Florida highway, a bus of escaped felons rams into the RV. Ben transforms into Stinkfly (though not intentionally) and tries to stop them. With a little help from Grandpa's handy driving, and a magic spell from Gwen, the felons are put back in jail. On the news, the Tennyson's hear about purple lightning delaying a space shuttle launch. Remembering the lightning from the encounter with the werewolf and mummy aliens, they head to Cape Canaveral. At the Space Center, Ben comes under attack by the werewolf and mummy aliens, and new Frankenstein alien. However, why is the purple lightning occurring, and what ties does it have to an old "friend"?
Director: Scooter Tidwell
Writer: Tom Pugsley
- 3.5/102 votes
#25 - Ben 10 vs. Negative 10 (1)
Season 4 Episode 11 - Aired 3/9/2008
Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.
Director: Scooter Tidwell
Writer: Tom Pugsley