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 Dexter family's last name is never revealed. 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
My name is Mandark and I am Dexter's rival. He and I have been competing in science and other things for years and this race is just one more of those things where we try to beat each other, except I try to win by being sneaky and bad! My plan this time is to sabotage the Mark 5, so it doesn'twork as good as it should, then when Dexter is racing he'll most likely crash up, leaving room for me to win!
In the episode "Sdrawkcab" (backwards), the opening credits run backwards. See more