Season 1
20 episodes · Apr 23, 2010
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S1E1Fame
Apr 23, 201023mBen'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.
S1E2Duped
Apr 30, 201023mBen 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.
S1E3Hit 'Em Where They Live
May 7, 201023mAfter 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.
S1E4Video Games
May 14, 201023mBen gets an offer to star in his own video game, but the designer's real motives are part of a plan to destroy Ben.
S1E5Escape from Aggregor
May 21, 201023mThe team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregor's goals.
S1E6Too Hot to Handle
May 28, 201023mP'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.
S1E7Andreas' Fault
Jun 4, 201023mThen team encounters another of Aggregor's escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.
S1E8Fused
Jun 11, 201023mRa'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.
S1E9Hero Time
Jun 18, 201023mBen meets his hero, Captain Nemesis, who's become jealous of all the attention Ben attracts.
S1E10Ultimate Aggregor
Oct 10, 201023mAggregor 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.
S1E11Map of Infinity
Oct 10, 201023mAggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.
S1E12Reflected Glory
Oct 15, 201023mCash 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.
S1E14Where the Magic Happens
Oct 29, 201023mAggregor 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.
S1E15Perplexhahedron
Nov 5, 201023mWith the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as Perplexahedron.
S1E16The Forge of Creation
Nov 12, 201023mAs 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.
S1E17Nor Iron Bars a Cage
Nov 19, 201023mKevin'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.
S1E18The Enemy of My Enemy
Dec 3, 201023mArgit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.
S1E19Absolute Power (1)
Dec 10, 201023mKevin 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.
S1E20Absolute Power (2)
Dec 10, 201023mFinal confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.