Ben 10 — Season 1
13 episodesFirst aired 27 December 2005
E1And Then There Were 10
7.3Dec 200523m
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.
E2Washington B.C.
6.5Jan 200623m
Ben must fight Dr. Animo, a crazed scientist who has a DNA-altering device.
E3The Krakken
6.5Jan 200623m
Ben has his hands full with a giant sea monster and an evil poacher.
E4Permanent Retirement
6.7Jan 200623m
Ben must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.
E5Hunted
7.2Jan 200623m
Ben is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.
E6Tourist Trap
6.6Feb 200622m
Ben accidentally releases creatures made of electric energy and must use his own powers to recapture them.
E7Kevin 11
7.3Feb 200622m
Ben meets a mutant who can absorb any form of energy and may be after the Omnitrix.
E8The Alliance
7.2Feb 200622m
Ben clashes with a female gang member who's become part cyborg.
E9Last Laugh
6.6Feb 200623m
Ben discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
E10Lucky Girl
6.9Mar 200623m
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.
E11A Small Problem
7.2Mar 200623m
Ben gets revenge on an amusement-park attendant who said he was too small to go on a ride.
E12Side Effects
6.7Mar 200622m
Ben's summer cold causes strange physical changes in his alien personas.
E13Secrets
7.9Mar 200623m
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.