Episode 1
The Transmogrification of Eunice
2011-02-04 • 23 min
A mysterious alien girl named Eunice has no memory and is being hunted by Sunder. While evading Sunder, Ben soon discovers that Eunice has nature-based abilities.
TV season
2011-02-04
Episode 1
2011-02-04 • 23 min
A mysterious alien girl named Eunice has no memory and is being hunted by Sunder. While evading Sunder, Ben soon discovers that Eunice has nature-based abilities.
Episode 2
2011-02-11 • 23 min
Ben, Julie and the rest of the heroic crew embark on a dangerous journey that could cost them all their lives in an effort to achieve the safe return of Ship and his former owner Baz-L.
Episode 3
2011-02-18 • 23 min
The King of Zarkovia asks the team for help with a civil war. The team agrees to help when they find out Dr. Viktor may be involved.
Episode 4
2011-03-04 • 23 min
Jimmy Jones is looking for the biggest new story he and Ben can tackle, but thats when he stumbles upon a strange pink tentacled creature which crashed from the sky into a near by cave.
Episode 5
2011-03-11 • 23 min
Gwen is excited by the prospect of her cousin Sunny paying the team a visit while dealing with the Robots of Dimension 12. But her excitement quickly turns into trepidation when it is uncovered that her cousin is not all that she appears and has some particularly sinister intentions.
Episode 6
2011-03-18 • 23 min
Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
Episode 7
2011-03-25 • 23 min
The Forever Knights unleash an evil force mistaken for an ancient weapon.
Episode 8
2011-04-01 • 23 min
Ben, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.
Episode 9
2011-04-08 • 23 min
Gwen has always been a multi-tasker, trying to juggle school, hobbies, friends and her work as a hero, waking up early and going to sleep late. But Gwen's already packed day is about to get worse when Dr. Animo attacks with an army of giant frogs and Gwen is forced to make a hard choice.
Episode 10
2011-04-15 • 23 min
Following a visit from Paradox after a fight with Eon, Ben 10,000 arrives 20 years from the future to seek the aid of his past counterpart in tracking down Eon.
Episode 11
2011-04-22 • 23 min
Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
Episode 12
2011-04-29 • 23 min
After a base is attacked, Max is infuriated when they learn it was a secret alien prison facility. While Max argues with the officer in charge, the team tries to locate an escaped prisoner.
Episode 13
2011-09-16 • 23 min
Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
Episode 14
2011-09-23 • 23 min
Simian asks the team for help when a DNAlien takes over his home world.
Episode 15
2011-09-30 • 23 min
Ben faces Tecadon killer robots that have been programmed to kill him. Each robot is more powerful than the last one. Ben's only chance to survive is for Gwen to find out who commissioned the robots.
Episode 16
2011-10-07 • 23 min
Julie gets Ben to visit a charity organization who wants to improve the world with alien technology. Ben soon discovers the charity's benefactor is an old enemy.
Episode 17
2011-10-14 • 23 min
Ben finds out there's a new show called 'Ben 10: Live." He finds an old enemy running the show and cashing in on his fame.
Episode 18
2011-10-21 • 23 min
Julie suddenly leaves a tennis tournament and spends all her time with Ben.
Episode 19
2011-10-28 • 23 min
Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
Episode 20
2011-11-04 • 23 min
Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
Episode 21
2011-11-18 • 23 min
Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
Episode 22
2011-12-02 • 23 min
The Flame Keepers realize their mistake too late. Vilgax wants the power of Daigon. The Forever Knights are out to destroy Daigon. Ben and the team try to sort things out.
Episode 23
2011-12-09 • 23 min
Azmuth reveals the origin of the sword and how he first encountered Old George. Ben comes to a decision on how to handle the Daigon.
Episode 24
2012-02-04 • 23 min
A Techadon weapon master comes to Earth and wants the Ultimatrix.
Episode 25
2012-02-11 • 23 min
Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.
Episode 26
2012-02-18 • 23 min
After Darkstar opens the Door to Anywhere, Charmcaster comes through, and the two team up to give Ben, Gwen, and Kevin the fight of a lifetime.
Episode 27
2012-02-25 • 23 min
Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
Episode 28
2012-03-03 • 23 min
Dr. Animo is unexpectedly paroled from prison and starts up a company selling eggs, which in fact contain mutant dinosaurs which he wishes to distribute around the world.
Episode 29
2012-03-10 • 23 min
Albedo attempts to get the ultimatrix by invading Ben's mind.
Episode 30
2012-03-17 • 23 min
The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
Episode 31
2012-03-24 • 23 min
Dagon is getting closer and closer to entering our dimension thanks to an old foe.
Episode 32
2012-03-31 • 23 min
Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?