1. And Then There Were 10

6.8

. 27 December 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.

2. Washington B.C.

6

. 13 January 2006. 23 min

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

3. The Krakken

6

. 14 January 2006. 23 min

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

4. Permanent Retirement

6.2

. 21 January 2006. 23 min

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

5. Hunted

6.8

. 28 January 2006. 23 min

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

6. Tourist Trap

6.1

. 4 February 2006. 22 min

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

7. Kevin 11

6.7

. 11 February 2006. 22 min

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

8. The Alliance

6.9

. 18 February 2006. 22 min

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

9. Last Laugh

5.7

. 25 February 2006. 23 min

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

10. Lucky Girl

6

. 4 March 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.

11. A Small Problem

6.9

. 11 March 2006. 23 min

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

12. Side Effects

6

. 18 March 2006. 22 min

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

13. Secrets

7.3

. 25 March 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.