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Dexter's Laboratory - Season 3 - Episode 18
Dexter's Laboratory - Dos Boot
About this Dexter's Laboratory episode:
Dexter's Laboratory - Dos Boot is the 18th episode of the Dexter's Lab season 3.
In this Dexter's Laboratory episode, Mandark gets inside Dexter's computer system and creates a computer virus, so Dexter must follow him inside and kick him out from cyberspace. However, Dee Dee has other plans in mind.