List of Ben 10: Ultimate Alien Episodes

Season 1

 * Fame
 * Duped
 * Hit 'Em Where They Live
 * Video Games
 * Escape From Aggregor
 * Too Hot To Handle
 * Andreas’ Fault
 * Fused
 * Hero Time
 * Ultimate Aggregor
 * Map of Infinity
 * Reflected Glory
 * Deep
 * Where the Magic Happens
 * Perplexahedron
 * The Forge of Creation
 * Nor Iron Bars a Cage
 * The Enemy of Enemy
 * Absolute Power Part 1
 * Absolute Power Part 2

Season 2
After the Ultimate Kevin thing, Ben returns to find heroes for a war with Ultron.
 * The Transmogrification of Eunice
 * Eye of the Beholder
 * Viktor: The Spoils
 * The Big Story
 * Girls Trouble
 * Revenge of the Swarn
 * The Creature of Beyond
 * Basic Training
 * It's Not Easy Being Gwen
 * Ben 10,000 Returns
 * Moon Struck
 * Prisoner #775 is Missing
 * Beware Old George Part 1 (Captain America and Generator Rex join Ben`s Team and Old George dies in this episode)
 * Beware The Creature of Beyond Part 2
 * Ultron
 * The Attack of Ultron
 * The Power of Ultron and The Swarm (Ultron-3 stays alive in this episode)
 * Iron Man
 * A New Ultron
 * Ultron Kill Back Wh Aggregor
 * The Fun Ultron
 * The Last Ultron
 * Ultron Day
 * Dark Day
 * The Flash
 * The Power of All Part 1
 * Ben 10 vs Evil Part 2
 * Heat Man
 * Doomdays Part 1
 * Doomdays Part 2