Ben 10: Ultimate Alien

1. The Transmogrification of Eunice

A peaceful camping trip descends into turmoil when a mysterious pod lands nea...

2. Eye of the Beholder

Baz-El is beset by a crisis and receives urgent assistance from Ship, while J...

3. Viktor: The Spoils

The team is dispatched to Zarkovia to quell a devastating civil war, but thei...

4. The Big Story

As Jimmy's alien sighting is met with skepticism, Ben's unusual behavior spar...

5. Girl Trouble

Cousin Sunny's surprise summer visit to Gwen's home takes an unexpected turn ...

6. Revenge of the Swarm

Ben finds himself ambushed by Victor Validus, only to discover that his attac...

7. The Creature from Beyond

The Forever Knights' pursuit of ancient relics unleashes a terrifying creatur...

8. Basic Training

The Plumbers Academy awaits as the team embarks on a crucial training journey...

9. It's Not Easy Being Gwen

Gwen Tennyson navigates a chaotic schedule, juggling family responsibilities,...

10. Ben 10,000 Returns

A catastrophic threat from the future suddenly vanishes, prompting adult Ben ...

11. Moonstruck

A UFO encounter changed Grandpa Max's life forever, and he reminisces about t...

12. Prisoner #775 Is Missing

The team's covert extraterrestrial confinement site is suddenly assaulted, sp...

13. The Purge

Old George reclaims authority, issuing a decree to annihilate all alien prese...

14. Simian Says

A desperate quest unfolds as Simian's home world is invaded by aliens, prompt...

15. Greetings from Techadon

Ben faces a series of formidable Tecadon killer robots, each designed to defe...

16. The Flame Keeper's Circle

Ben becomes involved with a charity that harnesses alien technology for the g...

17. Double or Nothing

Ben discovers a new TV show, "Ben 10: Live", and is horrified to learn that a...

18. The Perfect Girlfriend

Julie's abrupt departure from the tennis tournament raises suspicions, while ...

19. The Ultimate Sacrifice

Ben's creations, once mere transformations, have developed distinct personali...

20. The Widening Gyre

On a heavily polluted island, a group of detectives arrives to solve a series...

21. The Mother of All Vreedles

Ma Vreedle invades Earth, targeting its water resources and seeking to multip...

22. A Knight to Remember

The Flame Keepers struggle to come to terms with their error as Vilgax sets h...

23. Solitary Alignment

Azmuth uncovers the mysterious past of the sword, tracing its roots to a pivo...

24. Inspector #13

A skilled Techadon operative arrives on Earth, determined to seize control of...

25. The Enemy of My Frenemy

The next episode follows Gwen and her companions as they launch a bold rescue...

26. Couples Retreat

An unexpected turn of events occurs when Charmcaster and Darkstar join forces...

27. Catch a Falling Star

Jennifer Nocturne, a celebrated actress, is taken captive by Captain Nemesis,...

28. The Eggman Cometh

Dr. Animo, a freed prisoner, starts a business selling eggs of genetically al...

29. Night of the Living Nightmare

Ben's thoughts are consumed by Albedo's relentless quest for the Ultimatrix.

30. The Beginning of the End

The stage is set for a thrilling showdown as the Forever Knights and Dagon's ...

31. The Ultimate Enemy (1)

An ancient evil, Dagon, is threatening to invade our world, fueled by the mal...

32. The Ultimate Enemy (2)

Ben 10 faces off against Vilgax in his most formidable form yet, with the fat...