Dec 27, 2005·23 min

Average kid, ten year old Ben Tennyson, his Grandpa Max and his cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch like object that has been jettisoned from alien spacecraft high above the Earth.

Jan 13, 2006·23 min

Ben must fight Dr. Animo, a crazed scientist who has a DNA-altering device.

Jan 14, 2006·23 min

Ben has his hands full with a giant sea monster and an evil poacher.

Jan 21, 2006·23 min

Ben must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.

Jan 28, 2006·23 min

Ben is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.

Feb 4, 2006·22 min

Ben accidentally releases creatures made of electric energy and must use his own powers to recapture them.

Feb 11, 2006·22 min

Ben meets a mutant who can absorb any form of energy and may be after the Omnitrix.

Feb 18, 2006·22 min

Ben clashes with a female gang member who's become part cyborg.

Feb 25, 2006·23 min

Ben discovers an evil circus that's headed by a psychic vampire clown named Zombozo.

Mar 4, 2006·23 min

Ben battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms falls into her hands.

Mar 11, 2006·23 min

Ben gets revenge on an amusement-park attendant who said he was too small to go on a ride.

Mar 18, 2006·22 min

Ben's summer cold causes strange physical changes in his alien personas.

Mar 25, 2006·23 min

Vilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.