Season 1
13 episodes · Dec 27, 2005
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S1E1And Then There Were 10
Dec 27, 200523mAverage 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.
S1E2Washington B.C.
Jan 13, 200623mBen must fight Dr. Animo, a crazed scientist who has a DNA-altering device.
S1E3The Krakken
Jan 14, 200623mBen has his hands full with a giant sea monster and an evil poacher.
S1E4Permanent Retirement
Jan 21, 200623mBen must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.
S1E5Hunted
Jan 28, 200623mBen is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.
S1E6Tourist Trap
Feb 4, 200622mBen accidentally releases creatures made of electric energy and must use his own powers to recapture them.
S1E7Kevin 11
Feb 11, 200622mBen meets a mutant who can absorb any form of energy and may be after the Omnitrix.
S1E8The Alliance
Feb 18, 200622mBen clashes with a female gang member who's become part cyborg.
S1E9Last Laugh
Feb 25, 200623mBen discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
S1E10Lucky Girl
Mar 4, 200623mBen battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms falls into her hands.
S1E11A Small Problem
Mar 11, 200623mBen gets revenge on an amusement-park attendant who said he was too small to go on a ride.
S1E12Side Effects
Mar 18, 200622mBen's summer cold causes strange physical changes in his alien personas.
S1E13Secrets
Mar 25, 200623mVilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.