The Powerpuff Girls Season 4 Episode 9 Knock It Off Episode Title:Knock It Off.Episode Description:Dick Hardly is a college friend of Professor Utonium. However, upon seeing the girls, Dick sees them as a key to fame and fortune. He then talks to the girls, and with the proper ingredients (including some stolen 'Chemical X'), creates the Powerpuff Girls X-Treme. Dick mass-produces them and soon the cheaply made knock-offs are in every corner of the globe. The girls try to stop Dick, who ingests the remainder of the 'Chemical X' he has on hand. The substance then turns Dick into a monster, who then tries to steal the 'Chemical X' from the girls themselves. When the Professor finds out, his love causes the spiteful Dick to lose control of the clones.