Ben Ten Ultimate Alien All Episodes -

The season—and series—concludes with a massive arc involving the Forever Knights, Dr. Psychobos, and the revelation of the "Ultimate" forms' sentience.

Here is a list of all 52 episodes of Ben 10: Ultimate Alien: ben ten ultimate alien all episodes

Ben 10: Ultimate Alien (TV Series 2010–2012) - Episode list "The Purge" 28

27. "The Purge" 28. "Simian Says" 29. "Greetings from Techadon" 30. "The Flame Keepers' Circle" 31. "Double or Nothing" 32. "The Perfect Girlfriend" 33. "Ultimate Sacrifice" 34. "The Widening Gyre" 35. "The Mother of All Vreedles" 36. "A Knight to Remember" 37. "Solitary Alignment" 38. "Inspector 13" 39. "The Enemy of My Frenemy" 40. "Couples Retreat" 41. "Catch a Falling Star" 42. "The Eggman Cometh" 43. "Night of the Living Nightmare" 44. "The Beginning of the End" 45. "The Ultimate Enemy" (Parts 1 & 2 — double-length finale) "The Flame Keepers' Circle" 31