Here's the full episode of Season 1, Episode 17 of Ed Edd n Eddy, Fool on the Ed!

Plot: Eddy decides to prank all the other kids after he easily pranks Ed and Edd, but he and his friends soon find out that the kids of the cul-de-sac are being terrorized by the infamous "Prank Master." The Eds soon become terrified that they may be the next victims on his list.