Ben 10

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

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

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

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

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.

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

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

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.