3 seasons available
With the Earth at stake, Vilgax issues a conqueror's challenge to Ben.
Ben, Kevin, and Gwen discover that Vulkanus plans to drill the center of the Earth.
An alien goes missing during a Popcorn Festival.
An alien asks for Ben's help in ending a decades-long war.
Ben and Kevin travel to the far side of the galaxy to stop a judge from repossessing their ship; while back on earth, Gwen and Julie face their own battle.
A bounty hunter tries to remove the Omnitrix from Ben.
Earthquakes wake a hibernating Highbreed officer.
When Kevin loses his hope for normalcy, he is charmed by a beautiful girl who understands his plight.
Ghostfreak begins possessing the citizens of Vilgaxia and amassing an army.
Desperate to return to his former self, Kevin makes a costly deal with Darkstar to recover an important artifact.
Kevin, Gwen and Ben stumble upon an alien box that can turn into robots.
Ben must escort an alien prince to the far side of the galaxy.
Vilgas discovers the hidden planet that is the source of the Omnitrix's powers.
Gwen travels back in time to stop Ben and Kevin from hacking the Omnitrix.
The home planet of Tetrax and Diamondhead is in trouble; Ben has a cold.
The Plumber's Helpers rescue Grandpa Max from an attack by Ben.
Kevin asks for Ben and Gwen's help when his house is ransacked.
Ben faces off with Negative Ben to rescue Gwen and Kevin.
Powerless, Ben boards Vilgax's ship and tries to stop his invasion of Earth.
Ben is arrested for impersonating a plumber; Michael Morningstar is taken over by the evil Darkstar, who captures the gang and takes everyone's energy.
A teleport pod mishap strands Ben and Commander Reinrassig III on a desert planet, and they are forced to work together to survive.
An alien impersonates Ben and tries to destroy him with the power of his own Omnitrix.
Ben worries when he slowly starts to lose control of the Omnitrix.
Ben and the gang must rescue a child genius from the DNAliens that are forcing him to help build a mysterious arch.
Ben must rescue a dog-like alien from the Forever Knights.
When Ben and Gwen are grounded, Kevin is left alone to fight the DNAliens.
Ben goes into the Null Void to assist the Plumber's Helpers against D'Void.
Ben and the gang rescue a runaway prisoner of the DNAliens.
Ben and the gang try to restore Simian, prince of the Arachnachimps, to power.
Ben and the gang try to return a baby monster to its parents.
Professor Paradox and Azimuth return to Earth to warn Ben about the imminent Hybrid attack.
Ben, Gwen and Kevin take their fight to the Highbreed's home world, where they have one hour to save the Earth.
Ben teams up with Gwen and Kevin to find his missing grandfather.
Gwen discovers a secret about Grandpa Max's Plumbers Badge.
Kevin's old friend drives away with the Rust Bucket ; Kevin must prove to his team what he was really after.
After receiving a message from Grandpa Max, Ben is relieved to an ally; the ally's charms are deceiving.
Ben's cousin goes missing; Kevin should help out; Grandpa Max and the shocking secret of the DNAliens.
Ben's first date with Julie goes badly when Ship, a small piece of an alien pilot, take control of carnival rides.
Ben and Gwen discover that Max's wife is an alien from which Gwen's power is inherited.
After Ben finally stands up to Cash and JT, their retaliation enables them to steal a robot glove.
Ben, Gwen, and Kevin must team up with a time traveling hero to face the unstoppable monster from the 1950s.
A dragon escapes the Forever Knights before they get a chance to kill it.
When young plumbers mistake Ben and the team for dangerous aliens, Kevin is kidnapped.
While trying to save Earth from the destructive power of Milleous, Alien X sends Ben into a scientific world of debate, deliberation and delay.