The new kid in school, Mandark, steals Dexter's spotlight and bruises his ego by having a bigger and better laboratory. Seeking revenge on mankind, a super space chimp tries to get Monkey to help him destroy the human race.
Episode Discussion
Login to leave a comment on this episode.
Episode: Dexter's Rival - Dial M For Monkey: Simion - Old Man Dexter
Series: Dexter's Laboratory
Number: Season 1, Episode 3
Airdate: May 11, 1996 (Sneak Preview); May 12, 1996 (Original airing)
Production code: 101