Season 1 poster

Season 1

(2005)

Cast

Tara Strong as Ben Tennyson (voice)
Tara Strong

as Ben Tennyson (voice)

Meagan Moore as Gwen Tennyson (voice)
Meagan Moore

as Gwen Tennyson (voice)

Paul Eiding as Grandpa Max (voice)
Paul Eiding

as Grandpa Max (voice)

Jim Ward as Diamondhead / XLR8 (voice)
Jim Ward

as Diamondhead / XLR8 (voice)

Dee Bradley Baker as Stinkfly / Wildmutt (voice)
Dee Bradley Baker

as Stinkfly / Wildmutt (voice)

Steve Blum as Ghostfreak / Heatblast / Vilgax (voice)
Steve Blum

as Ghostfreak / Heatblast / Vilgax (voice)

Richard McGonagle as Four Arms (voice)
Richard McGonagle

as Four Arms (voice)

Episodes

And Then There Were 10 poster

And Then There Were 10 6.5

December 27, 2005

Average kid, ten year old Ben Tennyson, his Grandpa Max and his cousin Gwen's summer of adventure takes an odd turn whe…

Washington B.C. poster

Washington B.C. 5.4

January 13, 2006

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

The Krakken poster

The Krakken 5.6

January 14, 2006

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

Permanent Retirement poster

Permanent Retirement 5.3

January 21, 2006

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

Hunted poster

Hunted 6.2

January 28, 2006

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

Tourist Trap poster

Tourist Trap 5.6

February 4, 2006

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

Kevin 11 poster

Kevin 11 6.2

February 11, 2006

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

The Alliance poster

The Alliance 6.6

February 18, 2006

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

Last Laugh poster

Last Laugh 5.0

February 25, 2006

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

Lucky Girl poster

Lucky Girl 5.0

March 4, 2006

Ben battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms f…

A Small Problem poster

A Small Problem 6.8

March 11, 2006

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

Side Effects poster

Side Effects 5.3

March 18, 2006

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

Secrets poster

Secrets 7.0

March 25, 2006

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