All Episodes of Ben 10: Ultimate Alien
Browse all episodes of Ben 10: Ultimate Alien
Season 1
7.7/10763 votesFame
Season 1 Episode 1 - Aired 4/23/2010
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.
Director: Dan Riba
Writer: Dwayne McDuffie
6.7/10666 votesDuped
Season 1 Episode 2 - Aired 4/30/2010
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.
Director: Butch Lukic
Writer: Len Uhley
7.8/10637 votesHit 'Em Where They Live
Season 1 Episode 3 - Aired 5/7/2010
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.
Director: Matt Youngberg
Writer: Len Wein
7.0/10624 votesVideo Games
Season 1 Episode 4 - Aired 5/14/2010
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.
Director: Dan Riba
8.4/10666 votesEscape from Aggregor
Season 1 Episode 5 - Aired 5/21/2010
The team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregor's goals.
Director: Butch Lukic
Writer: Charlotte Fullerton, Joe Casey, Joe Kelly
8.1/10623 votesToo Hot to Handle
Season 1 Episode 6 - Aired 5/28/2010
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.
Director: Matt Youngberg
Writer: Marty Isenberg, Joe Casey, Joe Kelly
7.8/10618 votesAndreas' Fault
Season 1 Episode 7 - Aired 6/4/2010
Then team encounters another of Aggregor's escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.
Director: Dan Riba
Writer: Ernie Altbacker, Joe Casey, Joe Kelly
8.2/10619 votes
7.8/10616 votesHero Time
Season 1 Episode 9 - Aired 6/18/2010
Ben meets his hero, Captain Nemesis, who's become jealous of all the attention Ben attracts.
Director: Matt Youngberg
Writer: Steven Barnes, Joe Casey, Joe Kelly
8.4/10648 votesUltimate Aggregor
Season 1 Episode 10 - Aired 10/10/2010
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.
Director: Matt Youngberg
Writer: Joe Casey, Joe Kelly, Matt Youngberg
8.7/10682 votesMap of Infinity
Season 1 Episode 11 - Aired 10/10/2010
Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.
Director: Matt Youngberg
6.5/10591 votesReflected Glory
Season 1 Episode 12 - Aired 10/15/2010
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.
Director: Matt Youngberg
Writer: Peter David, Joe Casey, Joe Kelly
8.3/10661 votesWhere the Magic Happens
Season 1 Episode 14 - Aired 10/29/2010
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.
Director: Butch Lukic
8.8/10916 votesPerplexhahedron
Season 1 Episode 15 - Aired 11/5/2010
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.
Director: Matt Youngberg
9.3/101,239 votesThe Forge of Creation
Season 1 Episode 16 - Aired 11/12/2010
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.
Director: Dan Riba
8.0/10628 votesNor Iron Bars a Cage
Season 1 Episode 17 - Aired 11/19/2010
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.
Director: Butch Lukic
8.0/10623 votesThe Enemy of My Enemy
Season 1 Episode 18 - Aired 12/3/2010
Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.
Director: Matt Youngberg
Writer: Len Uhley, Duncan Rouleau, Joe Casey
8.7/10737 votesAbsolute Power (1)
Season 1 Episode 19 - Aired 12/10/2010
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.
Director: Dan Riba
Writer: Charlotte Fullerton, Joe Casey, Joe Kelly
8.8/10778 votesAbsolute Power (2)
Season 1 Episode 20 - Aired 12/10/2010
Final confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.
Director: Dan Riba
