As Jimmy's alien sighting is met with skepticism, Ben's unusual behavior sparks worries, throwing doubt on the authenticity of Jimmy's story and leaving the group uncertain about the truth.
1. The Transmogrification of Eunice
Aired: Feb 4, 2011A peaceful camping trip descends into turmoil when a mysterious pod lands nea...
Aired: Feb 11, 2011Baz-El is beset by a crisis and receives urgent assistance from Ship, while J...
Aired: Feb 18, 2011The team is dispatched to Zarkovia to quell a devastating civil war, but thei...
Aired: Mar 4, 2011As Jimmy's alien sighting is met with skepticism, Ben's unusual behavior spar...
Aired: Mar 11, 2011Cousin Sunny's surprise summer visit to Gwen's home takes an unexpected turn ...
Aired: Mar 18, 2011Ben finds himself ambushed by Victor Validus, only to discover that his attac...
Aired: Mar 25, 2011The Forever Knights' pursuit of ancient relics unleashes a terrifying creatur...
Aired: Apr 1, 2011The Plumbers Academy awaits as the team embarks on a crucial training journey...
Aired: Apr 8, 2011Gwen Tennyson navigates a chaotic schedule, juggling family responsibilities,...
Aired: Apr 15, 2011A catastrophic threat from the future suddenly vanishes, prompting adult Ben ...
Aired: Apr 22, 2011A UFO encounter changed Grandpa Max's life forever, and he reminisces about t...
Aired: Apr 29, 2011The team's covert extraterrestrial confinement site is suddenly assaulted, sp...
Aired: Sep 16, 2011Old George reclaims authority, issuing a decree to annihilate all alien prese...
Aired: Sep 23, 2011A desperate quest unfolds as Simian's home world is invaded by aliens, prompt...
Aired: Sep 30, 2011Ben faces a series of formidable Tecadon killer robots, each designed to defe...
Aired: Oct 7, 2011Ben becomes involved with a charity that harnesses alien technology for the g...
Aired: Oct 14, 2011Ben discovers a new TV show, "Ben 10: Live", and is horrified to learn that a...
Aired: Oct 21, 2011Julie's abrupt departure from the tennis tournament raises suspicions, while ...
Aired: Oct 28, 2011Ben's creations, once mere transformations, have developed distinct personali...
Aired: Nov 4, 2011On a heavily polluted island, a group of detectives arrives to solve a series...
21. The Mother of All Vreedles
Aired: Nov 18, 2011Ma Vreedle invades Earth, targeting its water resources and seeking to multip...
Aired: Dec 2, 2011The Flame Keepers struggle to come to terms with their error as Vilgax sets h...
Aired: Dec 9, 2011Azmuth uncovers the mysterious past of the sword, tracing its roots to a pivo...
Aired: Feb 4, 2012A skilled Techadon operative arrives on Earth, determined to seize control of...
Aired: Feb 11, 2012The next episode follows Gwen and her companions as they launch a bold rescue...
Aired: Feb 18, 2012An unexpected turn of events occurs when Charmcaster and Darkstar join forces...
Aired: Feb 25, 2012Jennifer Nocturne, a celebrated actress, is taken captive by Captain Nemesis,...
Aired: Mar 3, 2012Dr. Animo, a freed prisoner, starts a business selling eggs of genetically al...
29. Night of the Living Nightmare
Aired: Mar 10, 2012Ben's thoughts are consumed by Albedo's relentless quest for the Ultimatrix.
Aired: Mar 17, 2012The stage is set for a thrilling showdown as the Forever Knights and Dagon's ...
Aired: Mar 24, 2012An ancient evil, Dagon, is threatening to invade our world, fueled by the mal...
Aired: Mar 31, 2012Ben 10 faces off against Vilgax in his most formidable form yet, with the fat...
Main Cast
Seasons: 2
Current Status: Ended
Network: Cartoon Network
Production Country: United States
Currently, you have the opportunity to watch "Ben 10: Ultimate Alien" by streaming it on the following platforms: Spectrum On Demand. Additionally, viewers have the option to either rent or purchase "Ben 10: Ultimate Alien" on the following digital platforms: AppleTV, Amazon, Google Play, YouTube.
