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.

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 * The Flame Keeper's Circle
 * Double or Nothing
 * The Perfect Girlfriend
 * Ultimate Sacrifice
 * The Mother of All Vreedles
 * The Widening Gyre
 * A Knight to Remember