Dexter is a boy genius. In his secret laboratory, Dexter takes on the greatest scientific challenges of his time. His biggest challenge, however, is keeping Dee Dee from ruining his inventions.
Dee Dee is Dexter's big sister and his biggest nuisance when it comes to the pursuit of scientific discovery. Dee Dee embraces everything whirly, twirly and girly in the world.
Watch video clips and play free games from Dexter's Laboratory. It's the very best from Cartoon Network's classic hit TV show about boy genius Dexter, whose inventions are always ruined by his ballerina sister, Dee Dee. Meet the characters, play Dexter's Lab games, and watch the best moments from the show!