Watch Dexter's Laboratory episodes online
Dexter's Laboratory online
Dexter's Laboratory - Season 1 - Episode 7
Dexter's Laboratory - Dexter's Rival
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Dexter's Laboratory - Dexter's Rival is the 7th episode of the series.
In this Dexter's Laboratory episode, a new student named Mandark Astronomonov enrolls at Dexter's school and quickly turns out to be better than Dexter academically. Eventually, he even forces 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.
