| Episode No. (Season) | Title | Director | Writer | Original Release Date | Brief Plot Summary | | :--- | :--- | :--- | :--- | :--- | :--- | | 1 (21) | "The Transmogrification of Eunice" | Matt Youngberg | Eugene Son | February 4, 2011 | Ben meets a mysterious alien girl named Eunice with no memory who is being hunted by the bounty hunter Sunder. | | 2 (22) | "Eye of the Beholder" | Dan Riba | Len Uhley | February 11, 2011 | Julie's alien pet Ship is injured trying to save his former master, Baz-L, forcing the team to retrieve a rare mineral from a dangerous temple. | | 3 (23) | "Viktor: The Spoils" | Butch Lukic | Stan Berkowitz | February 18, 2011 | The team investigates a dispute in the small country of Zarkovia, only to encounter the resurrected Dr. Viktor and a piece of the Map of Infinity. | | 4 (24) | "The Big Story" | Matt Youngberg | Thomas Pugsley | February 25, 2011 | An investigative reporter gets too close to the truth about the Plumbers, forcing Ben to protect the secret organization's history. | | 5 (25) | "Girl Trouble" | Dan Riba | Amy Wolfram | March 4, 2011 | Gwen's magical abilities go haywire, attracting the attention of the sorceress Charmcaster, who wants to trap Gwen in the mystical world of Ledgerdomain. | | 6 (26) | "Reflected Glory" | Butch Lukic | Steven Melching | March 11, 2011 | An old classmate of Ben's falsely claims to be the superhero, leading to dangerous consequences when real villains come after him. | | 7 (27) | "Deep" | Matt Youngberg | Scott Sonneborn | March 18, 2011 | To find a piece of the Map of Infinity, the team must travel to a half-molten planet, where they encounter the alien P'andor and his enslaved people. | | 8 (28) | "Where the Magic Happens" | Dan Riba | Len Wein | March 25, 2011 | The team journeys to the magical dimension of Ledgerdomain, where they must confront an ancient evil and discover the truth about Gwen's Anodite heritage. | | 9 (29) | "Perplexahedron" | Butch Lukic | Brian Swenlin | April 1, 2011 | Ben and his team must navigate a mysterious, shape-shifting prison cube created by the alien Azmuth to find another piece of the Map of Infinity. | | 10 (30) | "The Forge of Creation" | Matt Youngberg | Stan Berkowitz | April 8, 2011 | The team, with the help of the time-traveling Professor Paradox, travels to the beginning of the universe to stop Aggregor before he becomes all-powerful. | | 11 (31) | "…Nor Iron Bars a Cage" | Dan Riba | Len Uhley | April 15, 2011 | A powerful alien from the Andromeda Galaxy, Andreas, is captured by a collector, forcing the team to break him out before Aggregor can get to him. | | 12 (32) | "The Enemy of My Enemy" | Butch Lukic | Thomas Pugsley | April 29, 2011 | Ben reluctantly teams up with the evil Vilgax to fight a common enemy in an ancient alien prison, leading to a shocking betrayal that sets up the final arc. |
: Features a team-up between 16-year-old Ben and his 10-year-old self from the past to stop Ultimate Aggregor. "Ben 10,000 Returns" -DeadToons- Ben 10 Ultimate Alien Season 2 1080...
Ben 10: Ultimate Alien is the third installment in the Ben 10 franchise, following 16-year-old Ben Tennyson as he utilizes the , a device that allows his aliens to evolve into more powerful "ultimate" forms. Season 2 Key Details | Episode No