Daxter's Lab

Dexter's Rival ~ Simion ~ Old Man Dexter (1x3)

Air date: May 12, 1996

Dexter's Rival: A new student named Mandark Astronomonov enrolls at Dexter's school and quickly turns out to be Dexter's rival in every aspect, even forcing him to shut down his lab so that his lab (which is much bigger than Dexter's lab) can gain more power. A hurt Dexter then teams up with Dee Dee to take revenge on Mandark. This episode marks Mandark's first appearance in the series. Dial M for Monkey: Simion: Monkey encounters an intelligent anthropomorphic chimpanzee named Simion (Maurice LaMarche), who plans to take revenge on humans for turning him into his current state. Old Man Dexter: A rerun of the third TNT short.