Dexter is a Boy Genius Who has a secret lab in his room his Mom and Dad don't now about it, but his older sister Dee Dee Does and they go on wacky (yet Sci-fi) Capers Written by
Did You Know?
The actor who voices Mandark, Eddie Deezen
, looks a lot like his character in real life. In WarGames
(1983), a younger Deezen looks so much like Mandark that perhaps the "Dexter's Laboratory" producers cast him and created the Mandark character as an allusion to "Wargames". See more
In the episode where Dexter is learning piano, the professor says they'll start on C, but they clearly start on F. See more
Oooh! What does THAT button do?
After the credits of the 2001 season, Dexter and Dee-Dee are inside the Cartoon Network logo, Dee-Dee presses a button that makes Dexter explode. See more