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
Sassy? What are your dreams?
In the episode "Sdrawkcab" (backwards), the opening credits run backwards. See more