Episodes
1And Then There Were 1027 Dec 2005 · 23mAverage 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.
2Washington B.C.13 Jan 2006 · 23mBen must fight Dr. Animo, a crazed scientist who has a DNA-altering device.
3The Krakken14 Jan 2006 · 23mBen has his hands full with a giant sea monster and an evil poacher.
4Permanent Retirement21 Jan 2006 · 23mBen must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.
5Hunted28 Jan 2006 · 23mBen is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.
6Tourist Trap4 Feb 2006 · 22mBen accidentally releases creatures made of electric energy and must use his own powers to recapture them.
7Kevin 1111 Feb 2006 · 22mBen meets a mutant who can absorb any form of energy and may be after the Omnitrix.
8The Alliance18 Feb 2006 · 22mBen clashes with a female gang member who's become part cyborg.
9Last Laugh25 Feb 2006 · 23mBen discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
10Lucky Girl4 Mar 2006 · 23mBen battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms falls into her hands.
11A Small Problem11 Mar 2006 · 23mBen gets revenge on an amusement-park attendant who said he was too small to go on a ride.
12Side Effects18 Mar 2006 · 22mBen's summer cold causes strange physical changes in his alien personas.
13Secrets25 Mar 2006 · 23mVilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.