Dexter's Laboratory
Dexter's Rival (1x7)
Air date: May 12, 1996
Mandark enrolls at Dexter's school, quickly overshadowing Dexter and forces Dexter to shut down his lab to add more power to his own lab. When Mandark falls in love with Dee Dee, Dexter sets up a date between the two (only because he knew Dee Dee would destroy Mandark's lab).
- Premiered: Apr 1996
- Episodes: 225
- Followers: 246
- Ended
- Cartoon Network
- Sunday at 13