Ben 10: Ultimate Alien Season 1
S01 E01Apr 23, 2010
Fame Apr 23, 2010 Ben's secret is out. As Ben deals with his newfound fame, a new threat emerges as a thief steals parts of a new advanced spaceship from NASA.
S01 E02Apr 30, 2010
Duped Apr 30, 2010 Ben is supposed to attend a tournament to support his girlfriend, but the Forever Knights are trying to break into a museum. Ben tries to use the Ultimatrix to handle all his obligations.
S01 E03May 7, 2010
Hit 'Em Where They Live May 7, 2010 After Jimmy Jones reveals Ben's identity, some of his enemies (such as Zombozo, Rojo, Charmcaster, Vulkanus, and Sevenseven) team up to try to attack his family. Now Ben and his friends have to protect them no matter what.
S01 E04May 14, 2010
Computer Games May 14, 2010 Ben gets an offer to star in his own video game, but the designer's real motives are part of a plan to destroy Ben.
S01 E05May 21, 2010
Escape from Aggregor May 21, 2010 The team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregor's goals.
S01 E06May 28, 2010
Too Hot to Handle May 28, 2010 P'Andor, escaped from Aggregor, now wants help to escape his encapsulating suit, but Kevin's the first to perceive that that's a fatally bad idea.
S01 E07Jun 4, 2010
Andreas' Fault Jun 4, 2010 Then team encounters another of Aggregor's escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.
S01 E08Jun 11, 2010
Fused Jun 11, 2010 Ra'ad, the last of Aggregor's escaped prisoners, attacks Ben and informs the team of the true fate of his comrades. He finds a safe hiding place but one that endangers Ben in the process.
S01 E09Jun 18, 2010
Hero Time Jun 18, 2010 Ben meets his hero, Captain Nemesis, who's become jealous of all the attention Ben attracts.
S01 E10Oct 10, 2010
Ultimate Aggregor Oct 10, 2010 Aggregor has all five aliens. The Plumbers manage to disable Aggregor's ship, forcing Aggregor to find a new way to absorb their powers. The team makes a last ditch effort to save the alien prisoners.
S01 E11Oct 10, 2010
Map of Infinity Oct 10, 2010 Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.
S01 E12Oct 15, 2010
Reflected Glory Oct 15, 2010 Cash and JT convince the team to allow them to take credit for the team's actions so they can earn money for Cash's mother's operation.
S01 E13Oct 22, 2010
Deep Oct 22, 2010 Aggregor is after the next piece of the map on a watery planet.
S01 E14Oct 29, 2010
Where the Magic Happens Oct 29, 2010 Aggregor escapes to a magical dimension. Gwen asks for Charmcaster's help to pursue him. The team learns about Charmcaster's past and why she's willing to help them now.
S01 E15Nov 5, 2010
Perplexhahedron Nov 5, 2010 With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as Perplexahedron.
S01 E16Nov 12, 2010
The Forge Of Creation Nov 12, 2010 As the team makes its final attempt to stop Aggregor, they find an unexpected ally, and one person will make a fateful decision with lasting repercussions.
S01 E17Nov 19, 2010
Nor Iron Bars A Cage Nov 19, 2010 Kevin's out for payback on anyone who has ever crossed him. His next stop is a prison in the Null Void. Ben and Gwen try to stop him, where Ben comes to a grim decision.
S01 E18Dec 3, 2010
The Enemy of My Enemy Dec 3, 2010 Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.
S01 E19Dec 10, 2010
Absolute Power Part 1 of 2 Dec 10, 2010 Kevin starts going after Plumbers kids to gain more power. Ben and Gwen continue to argue about how to handle the situation. Gwen tries to find someone who will help her cure Kevin.
S01 E20Dec 10, 2010
Absolute Power Part 2 of 2 Dec 10, 2010 Final confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.