Episode Title:Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space.Episode Description:Big Bots: Dee Dee dares Dexter into building her a giant robot similar to his Robo-Dexo 2000. They then team up to try to save an island's population from being destroyed by an erupting volcano using their giant robots.
Gooey Aliens That Control Your Mind: Dexter's parents and Dee Dee have their minds taken over by an alien life form that escaped from Dexter's lab.
Misplaced in Space: A teleporter malfunction sends Dexter to an alien prison, prompting Dee Dee to go on a mission to save Dexter.