Dexter sends Dee Dee back in time; Monkey defends the city from a dinosaur; Dexter builds a robot to replace his ill mother.
Dexter creates a new armoured suit for gym class. A wrestler takes on all of the world's superheroes, including Monkey. Dexter gives Dee Dee a better brain so that she can be his science partner.
Dexter is jealous when he learns that the new boy at school has a bigger laboratory than he does. A space chimp vows to destroy mankind and Dexter grows tired of being young.
Dee Dee and her friends tinker with Dexter's cloning machine. A space giant plots to devour the Earth for lunch. Dexter invents a machine that can transform humans into animals.
Dexter must recapture his dinosaur-doggie beast after Dee Dee takes the pet for a walk. An evil alien takes over Monkey's mind just before a date with agent Honey Dew. Dexter's brain shuts down and he cannot understand a difficult equation.
Dexter looks for his latest invention in Dee Dee's bedroom. The world's most dangerous big-game hunter is on Monkey's trail. Dexter's experimental cookies transform Dee Dee into a giant.
Christine Cavanaugh
Dexter
Jeff Bennett
Dad
Kath Soucie
Mom
Tommy Kenny
Valhallen
Frank Welker
Monkey