Ben 10 Ultimate Alien Season 2 Episode 7 — "Ben 10,000 Returns"

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Time travel, multiversal threats, and a spectacular look into the future take center stage in a landmark episode of Ben 10: Ultimate Alien. In Season 2 Episode 7, "Ben 10,000 Returns," the standard superhero timeline shatters when an ancient temporal enemy makes a devastating strike, requiring two eras of the same hero to unite.

When the dangerous rogue Chronosapien entity known as Eon returns to eliminate every version of Ben Tennyson across space-time, a 36-year-old future Ben—the ultimate warrior known as Ben 10,000—travels back to the past. Together, the teenage Ben and his experienced adult counterpart must secure a dark apocalyptic artifact before reality is unmade.

“I don't need to transform into aliens anymore. I have all their powers, remember? I've got the ultimate Omnitrix built right into my own DNA.”

Episode Summary

The story begins with Professor Paradox arriving with an ominous warning about Eon, a time-walking warlord who absorbs alternate versions of Ben Tennyson to bolster his power. Shortly after, a towering, immensely powerful future version of Ben—Ben 10,000—warps into the present timeline. Unlike his previous future iterations, this Ben utilizes the "Ultimate Omnitrix" concept, allowing him to cast alien abilities directly from his human body without physically shifting shape.

The dual Bens realize that Eon's master plan revolves around activating the Hands of Armageddon, an ancient, multi-dimensional gateway sealed inside an old cultural museum. As Eon unleashes his legions of temporal cross-time minions, present-day Ben jumps into the fray, cycling through heavyweight transformations like Spidermonkey and Big Chill to keep the timeline from collapsing. However, Eon manages to manipulate the gateway's temporal fields, threatening to rewrite 16-year-old Ben's history entirely.

The climax builds to an ultimate standoff inside the temporal rift. Ben 10,000 displays incredible master-level powers, using Ultimate Echo Echo's sonic disks and Heatblast's pyrokinesis seamlessly in human form. To turn the tide, the older Ben taps into the Ultimatrix and unlocks a brand-new, time-manipulating Chronosapien alien named Clockwork for present Ben. Harnessing temporal beams, Ben reverses Eon's timeline decay, safely destroying the portal and preserving the safety of the multiverse.

Themes & Character Development

Meeting Your Future: The episode offers a fascinating contrast between 16-year-old Ben's relative immaturity and the calm, relaxed wisdom of Ben 10,000, who has long since outgrown the need for fame or flashy displays.
Temporal Responsibility: Paradox's involvement emphasizes the absolute weight of protecting the continuum, illustrating that small choices in the present echo infinitely across reality.
Evolution of Power: Ben 10,000's direct access to alien abilities shifts the narrative definition of the watch, showing that the ultimate endpoint of the hero's journey is complete internal mastery.

Production Details

First Aired: April 15, 2011
Created By: Man of Action (Duncan Rouleau, Joe Casey, Joe Kelly, and Steven T. Seagle)
Written By: Dwayne McDuffie
Directed By: Matt Youngberg
Produced By: Cartoon Network Studios
Art Style: Incorporates complex purple time-distortion effects, glowing chronological rifts, and an entirely new, intricate mechanical design for Eon's visual attacks.
Voice Cast:
- Yuri Lowenthal as Ben Tennyson / Clockwork
- Sean Donnellan as Ben 10,000
- Judd Nelson as Eon
- David McCallum as Professor Paradox
- Ashley Johnson as Gwen Tennyson
- Greg Cipes as Kevin Levin

Fun Facts & Trivia

Did You Know?

This iconic episode was written by late legendary showrunner Dwayne McDuffie, serving as one of his final magnificent contributions to the franchise's rich lore.
This is the first time we see the version of Ben 10,000 who utilizes Biomnitrix/Ultimate Mastery concepts, completely separating him from the original series' future self.
The episode introduces Clockwork, a gold-plated robot-like Chronosapien alien that becomes crucial for manipulating time streams and checking alternate dimensions.
Eon was originally introduced as a completely separate alien being in the live-action film Ben 10: Race Against Time, but this episode definitively retcons him into a rogue, corrupted alternate-timeline version of Ben Tennyson.
Before leaving, Ben 10,000 fixes 16-year-old Ben's Ultimatrix, restoring all of his previously locked classic transformations, including Way Big and Swampfire.

Legacy & Impact

"Ben 10,000 Returns" remains an absolute fan favorite across the entire multi-show franchise, celebrated for its complex lore connections and high-stakes multi-era cooperation. It gave the audience a thrilling, highly mature glimpse at the absolute pinnacle of Ben Tennyson's potential while neatly typing together threads from alternate universes and old films.

By blending stunning multi-power action, a fantastic new alien reveal, and emotional maturity, the episode stands as a golden pillar of narrative achievement in Ben 10: Ultimate Alien.