"RoboDexo 3000" is the third segment of episode 9 in season 3 of Dexter's Laboratory, which first aired on June 21, 2002. In this episode, Dexter invents the Robo-Dexo 3000 to replace the Robo-Dexo 2000. However, the Robo-Dexo 3000 develops a mind of its own.
Dexter decides to build a new and more powerful robot to replace the Robo-Dexo 2000 after its most recent failure. The new robot, dubbed the Robo-Dexo 3000, proves to be a superior model in every way, however it soon proves to be more trouble than its worth when compared to the trusted Robo-Dexo 2000.