Heres some Cartoon Network Summer promos for Dexters Lab, Johnny Bravo, Powerpuff Girls, Ed Edd n Eddy, and Courage the Cowardly Dog that were used .br For those folks out there who were viewers of Cartoon Network during the Powerhouse Era. Im pretty sure everybody remembers the two most well known or .br An old Cartoon Network Primetime Promo from 2001. Oh..if only this were the primetime of today:( I do not own copyright. All rights belong to Cartoon Network.br Primetime (also known as Cartoon Cartoon Primetime) was a weeknight block that aired Cartoon Network during the middle of the Powerhouse Era from May .