After Gwen receives an S.O.S. from Helen, Ben must go into the Null Void to save her and Manny. Once there, he must find The Wrench in order to stop…

When Ben’s parents discover his ability to turn into aliens, they forbid him from using the Omnitrix and later ground him from using it again. Eventually Gwen is grounded too…

To find and destroy the alien dragon species, the Forever Knights capture Ship to control a starship they built out of alien technology to locate their homeworld and destroy them.

Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.

Kevin asks Gwen to the school dance; Ben fears he’s losing control of the Omnitrix.

An alien impersonates Ben with hopes of using his Omnitrix to annihilate him.

During a battle Ben and an alien commander are teleported to a distant world. They must put their differences aside if they’re going to have any chance of finding a…

A new villain comes into town, his name is Darkstar, he commits some crimes and gets the team’s attention fast

Powerless, Ben goes aboard Vilgax’s ship and faces off with Vilgax to stop his invasion of Earth in their final battle. Albedo gives Ben the Ultimatrix and Ben gets his…

Albedo has stolen the Ultimatrix from Azmuth and has used it to kidnap Gwen and Kevin. Ben goes to face Albedo and rescue his friends when he quickly discovers that…

Kevin returns home to find his house ransacked, so he enlists Ben and Gwen’s help to find out who did it and why. They soon cross paths with Ragnarok, a…

The Plumber’s Helpers are called upon by Grandpa Max to rescue him from an abandoned space station where he’s being attacked by Ben! The team must now find a way…

While sick, Ben is visited by old friend Tetrax, who demands that Ben hand over Chromastone.

Despite being warned by Paradox, Gwen travels back in time to prevent the accident that turned Kevin into a monster from ever happening. Gwen returns to the present only to…

The Omnitrix transports Ben, Gwen, and Kevin to a planet called Primus, which turns out to have been created by Azmuth. They must stop Vilgax from stopping the Omnitrix at…

Zaw-Veenull asks Ben to deliver Prince Tiffin to Jarret in order to keep peace between the two species. Shortly, after their trip in space, the Omnitrix malfunctions and turns Ben…

Ben, Kevin and Gwen come across an alien box that can forms into a robotic version of whatever it sees. It power becomes a liability when the Vreedle brothers decide…

Kevin makes a temporary truce with Darkstar to retrieve an artifact that will return them into their former selves.

Vilgax promises Ghostfreak to spring him out of prison as long as he tells him the secrets of the Omnitrix, but when Ghostfreak betrays him and turns his people into…

Kevin is beginning to lose all hope that he will someday return to his human self. He then meets a girl who doesn’t seem to mind the form he is…

A series of earthquakes awakens a HighBreed officer who has been hibernating deep under the earth’s surface. He believes the HighBreed have lost the war and activates a fail safe…

A bounty hunter tries to remove the Omnitrix from Ben.

Ship’s owner decides he wants him back and hires some repo men to retrieve him. Ben and Kevin go to court to take care of things legally, leaving Gwen and…

An alien named Probity seeks help from Ben to stop the on-going war on her home planet.

A species of goat-like aliens comes to Earth for a popcorn festival. Ben, Gwen, and Kevin have a big problem when one of the aliens eats meat and turns into…

Ben, Gwen and Kevin discover that Vulkanus is planning to drill the center of the Earth and drop a bomb into the hole. Destroying the planet.

Ben, Gwen and Kevin race to collect the Omnitrix’s missing forms and make it to the battle with Vilgax on time. Meanwhile, Kevin discovers that his new transformation has some…

Vilgax, after conquering 10 planets, comes to Earth to destroy Ben.

The party retreats after failing to defeat the rampaging katawara. The monks in their party are shocked when they learn exactly who taught Jinka the secret of spirit transformation. Shinsuke,…