April 14, 1996 (first airing) May 26, 1996 (second airing)
Craig McCracken and Paul Rudish
Creator, writer, and director:
Dimwit Dexter (originally called Dumb Like Dee Dee) is the fourth pilot episode of Dexter's Laboratory. It first aired on April 14, 1996 and later re-aired on May 26, 1996 as part of the third part of episode 5 in season 1. In this episode, Dexter's brain shuts down as a result of him overworking, which leads to him behaving erratically and being the butt of jokes among Dee Dee and the entire neighborhood.
This episode was originally going to be called "Dumb Like Dee Dee".
When this episode aired on The Cartoon Cartoon Show, the Cartoon Cartoons theme played over the title card instead of the original music.
This is the very first episode where we see Dexter in his underpants. It is also the first episode where Dexter's Takes off his outer clothing to reveal them (let alone one of Dee-Dee's spare dresses.
In the laughing faces sequence, Dee Dee is shown laughing, and a random kid with Dexter's red curly hair is shown laughing.