Ben 10: Ultimate Alien/Episodes

The following is a list of episodes for Ben 10: Ultimate Alien. A total of fifty-two episodes have been ordered so far. Episodes 1 through 10 were intended be season 1 and episodes 11 through 20 were to be season 2 but it was merged into one season due to Cartoon Network's schedule. The Transmogrification of Eunice was intended by the people who made Ben 10: Ultimate Alien to be the start of a third season.

Season 1: 2010 (Episodes 1 - 20)

 * 1) Fame - April 23, 2010
 * 2) Duped - April 30, 2010
 * 3) Hit 'Em Where They Live - May 7, 2010
 * 4) Video Games - May 14, 2010
 * 5) Escape From Aggregor - May 21, 2010
 * 6) Too Hot To Handle - May 28, 2010
 * 7) Andreas’ Fault - June 4, 2010
 * 8) Fused - June 11, 2010
 * 9) Hero Time - June 18, 2010
 * 10) Ultimate Aggregor - October 10, 2010
 * 11) Map of Infinity - October 10, 2010
 * 12) Reflected Glory - October 15, 2010
 * 13) Deep - October 22, 2010
 * 14) Where the Magic Happens - October 29, 2010
 * 15) Perplexahedron - November 5, 2010
 * 16) The Forge of Creation - November 12, 2010
 * 17) ...Nor Iron Bars a Cage - November 19, 2010
 * 18) The Enemy of My Enemy - December 3, 2010
 * 19) Absolute Power: Part 1 - December 10, 2010
 * 20) Absolute Power: Part 2 - December 10, 2010

Season 2: 2011 (Episodes 21 - 52)

 * 1) The Transmogrification of Eunice - February 4, 2011
 * 2) Eye of the Beholder - February 11, 2011
 * 3) Viktor: The Spoils - February 18, 2011
 * 4) The Big Story - March 4, 2011
 * 5) Girl Trouble - March 11, 2011
 * 6) Revenge of the Swarm - March 18, 2011
 * 7) The Creature From Beyond - March 25, 2011
 * 8) Basic Training - April 1, 2011
 * 9) It's Not Easy Being Gwen - April 8, 2011
 * 10) Ben 10,000 Returns - April 15, 2011
 * 11) Moon Struck - April 22, 2011
 * 12) Prisoner - April 29, 2011
 * 13) of Vilgax: Part 1 Attacking of Vilgax: Part 1- Unkown