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Where to watch "Ben 10: Ultimate Alien"
20. The Ultimate Enemy: Part 2
2012 - Season 3
After defeating Vilgax, Ben battles Dagon in his True Form as Ultimate Way Big.
19. The Ultimate Enemy: Part 1
2012 - Season 3
The Forever Knights battle Diagon's Esoterica, and Ben's plan to help the knights fails.
18. The Beginning of the End
2012 - Season 3
The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
17. Night of the Living Nightmares
2012 - Season 3
Albedo attempts to get the ultimatrix by invading Ben's mind.
16. The Egg Man Cometh
2012 - Season 3
Dr. Animo returns! Introducing NEW ALIEN, Juryrigg!
15. Catch a Falling Star
2012 - Season 3
Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
14. Couples Retreat
2012 - Season 3
Charmcaster & Darkstar team up to destroy Ben, Gwen and Kevin.
13. The Enemy of My Frenemy
2012 - Season 3
Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster. Introducing NEW ALIEN, Eetle!
12. Inspector #13
2011 - Season 3
A Techadon weapon master comes to Earth and wants the Ultimatrix.
11. Solitary Alignment
2011 - Season 3
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.
10. A Knight to Remember
2011 - Season 3
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.
9. The Mother of All Vreedles
2011 - Season 3
Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
8. The Widening Gyre
2011 - Season 3
Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
7. Ultimate Sacrifice
2011 - Season 3
Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
6. The Perfect Girlfriend
2011 - Season 3
Julie suddenly leaves a tennis tournament and spends all her time with Ben.
5. Double or Nothing
2011 - Season 3
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.
4. The Flame Keeper's Circle
2011 - Season 3
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.
3. Greetings from Techadon
2011 - Season 3
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.
2. Simian Says
2011 - Season 3
Simian asks the team for help when a DNAlien takes over his home world.
1. The Purge
2011 - Season 3
Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
