The Omnitrix begins to malfunction and goes haywire when Psychobos steals a piece of an Omnitrix core causing Rook to mutate into a half-Gourmand and a half-Revonnahgander after Ben 10 attempts to complete a transformation

Gwen and Kevin visit Bellwood. Kevin tells Ben that he must hide himself from The Tetramand Princess Looma as she is hunting him as Looma wishes to marry Kevin

Magister Patelliday is kidnapped by pirates who rob ships and put them in giant glass bottles to sell them. They intend to devour Patelliday. Any attempts at rescue are hard, since they have a Krakken and a robot army

Ben and Rook must stop Trumbipulor from gaining absolute power while Blukic and Driba set out to find Mr. Smoothy's

Ben and Rook are attacked by Khyber at a festival

Billy Billions turns Ben and Rook into kids again

Ben and Rook visit Rook's family while Revohnnah is attacked by an old foe

When Eon forces young Ben and teenage Ben to switch minds, only the time-traveling Professor Paradox can sort things out and help Ben stop Eon from taking over the timelines

Ben meets an alternate version of himself while searching for a 23rd Mr. Smoothy's store

As payment for destroying his car, Mr. Baumann orders Ben to make deliveries for him without using the Omnitrix