Ben 10: Ultimate Alien Season 2 Episode 31
The Ultimate Enemy Part 1
Ben, Gwen, Kevin, and George trash Diagon's City while battling a reborn, Lucubra-morphed, power hungry Vilgax. Diagon is released and plans to become ruler of Ben's Universe.
- 2 - 33The Ultimate Enemy (2)Mar. 31, 2012
- 2 - 32The Ultimate Enemy Part 2Mar. 31, 2012
- 2 - 31The Ultimate Enemy Part 1Mar. 24, 2012
- 2 - 30The Beginning of the EndMar. 17, 2012
- 2 - 29Night of the Living NightmareMar. 10, 2012
- 2 - 28The Eggman ComethMar. 03, 2012
- 2 - 27Catch a Falling StarFeb. 25, 2012
- 2 - 26Couples RetreatFeb. 18, 2012
- 2 - 25The Enemy of My FrenemyFeb. 11, 2012
- 2 - 24Inspector #13Feb. 04, 2012
- 2 - 23Solitary AlignmentDec. 09, 2011
- 2 - 22A Knight to RememberDec. 02, 2011
- 2 - 21The Mother of All VreedlesNov. 18, 2011
- 2 - 20The Widening GyreNov. 04, 2011
- 2 - 19Ultimate SacrificeOct. 28, 2011
- 2 - 18The Perfect GirlfriendOct. 21, 2011
- 2 - 17Double or NothingOct. 14, 2011
- 2 - 16The Flame Keeper's CircleOct. 07, 2011
- 2 - 15Greetings From TechadonSep. 30, 2011
- 2 - 14Simian SaysSep. 23, 2011
- 2 - 13The PurgeSep. 16, 2011
- 2 - 12Prisoner #775 is MissingApr. 29, 2011
- 2 - 11Moon StruckApr. 22, 2011
- 2 - 10Ben 10,000 ReturnsApr. 15, 2011
- 2 - 9It’s Not Easy Being GwenApr. 08, 2011
- 2 - 8Basic TrainingApr. 01, 2011
- 2 - 7The Creature from BeyondMar. 25, 2011
- 2 - 6Revenge of the SwarmMar. 18, 2011
- 2 - 5Girl TroubleMar. 11, 2011
- 2 - 4The Big StoryMar. 04, 2011
- 2 - 3Viktor: The SpoilsFeb. 18, 2011
- 2 - 2Eye of the BeholderFeb. 11, 2011
- 2 - 1The Transmogrification of EuniceFeb. 04, 2011