Ben 10: Ultimate Alien All Episodes -

Ben and the team race Aggregor across the cosmos to secure pieces of a map leading to the Forge of Creation.

Whether you are looking to revisit classic battles or watch the series for the first time, this comprehensive guide breaks down all 52 episodes across its three action-packed seasons.

– Despite Ben, Gwen, and Kevin's best efforts, Aggregor successfully absorbs all five Andromeda aliens, transforming into an unstoppable hybrid. The Map of Infinity & Ultimate Kevin Arc (Episodes 11–20)

When Ben Tennyson took off the recalibrated Omnitrix and discovered the secrets of the “Ultimatrix,” the world of Ben 10 changed forever. serves as the third major series in the franchise (following the original series and Ben 10: Alien Force ), and it remains a fan-favorite for its darker tone, high-stakes storytelling, and the introduction of the “ultimate” evolution feature. ben 10: ultimate alien all episodes

and one crossover special. It follows a sixteen-year-old Ben Tennyson as he masters the Ultimatrix

Colonel Rozum asks the team to investigate a massive island made entirely of living, sentient garbage that is threatening the Pacific Ocean. Episode 40: "The Mother of All Vreedles"

For fans looking to binge, re-watch, or verify their episode count, this guide covers —from the season premiere to the two-part grand finale. We’ll break down every arc, key transformations, and why this series still matters in the broader Ben 10 timeline. Ben and the team race Aggregor across the

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– Diagon breaks free, transforming the entire human population into Esoterica. Vilgax betrays Diagon to absorb his cosmic power.

Gwen finds a way to cure Kevin using a piece of the Map of Infinity. In a final showdown, Ben fights Ultimate Kevin to distract him long enough for the machine to extract the absorbed energies, restoring Kevin to normal. The Map of Infinity & Ultimate Kevin Arc

– The Forever Knights' mysterious founder, Sir George, returns to lead them in a holy war against the Dagon.

The team investigates a crashed spaceship and finds a girl named Eunice who has no memory. She is revealed to be the Unitrix, a prototype Omnitrix that takes human form. Episode 22: "Eye of the Beholder"