|Season 2, Episode 28a
|Episode name reference to/pun on: The term for a former lover, "old flame".
||February 25, 1998
Paul Rudish (Art Director)
Old Flame is the first part of episode 28, season 2. In this episode, Dexter brings the caveman who discovered fire into the future, only for him to start acting like Dee Dee and destroy the lab.
- The Caveman in this episode appears to be based on the character Ugh from the Hanna-Barbera cartoon Dino Boy.
- The flux capacitator that Dexter shows the caveman is a reference to the film Back to the Future.