Dexter's Laboratory
S01E07 Dexter's Rival
Mandark Astronomanov, a new arrival at Dexter's school, appears to outshine Dexter in every academic aspect. Determined to assert his dominance, Mandark pressures Dexter into closing his lab to boost his own lab's capabilities. Yet, with Dee Dee's unexpected assistance, Dexter succeeds in bringing down Mandark's lab, turning the tables on his rival.
Season 1 Episodes
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DeeDeemensional
Dial M for Monkey: Magmanamus
Maternal Combat
Dexter Dodgeball
Dial M for Monkey: Rasslor
Dexter's Assistant
Dexter's Rival
Dial M for Monkey: Simion
Old Man Dexter
Double Trouble
Dial M for Monkey: Barbequor
Changes
Jurassic Pooch
Dial M For Monkey: Orgon Grindor
Dimwit Dexter
Dee Dee's Room
Dial M For Monkey: Huntor
The Big Sister
Star Spangled Sidekicks
The Justice Friends: TV Super Pals
Game Over
Babysitter Blues
The Justice Friends: Valhallen's Room
Dream Machine
Dollhouse Drama
The Justice Friends: Krunk's Date
The Big Cheese
Way of the Dee Dee
The Justice Friends: Say Uncle Sam
Tribe Called Girl
Spacecase
The Justice Friends: Ratman
Dexter's Debt
The Justice Friends: Bee Where?
Mandarker
Inflata Dee Dee
The Justice Friends: Can't Nap
Monstory