Animation World Network reports that a new live-action prequel to the Scooby-Doo theatrical movies is set to air on Cartoon Newtork in the fall of 2009. The original film, titled Scooby-Doo: In The Beginning will follow Scooby and the gang as they try to investigate a haunting in their high school. The feature, which is a co-production between Warner Brothers and Cartoon Network, was written by Brian Gilbert and will be helmed by Brian Levant. Frank Welker, the voice of Freddy in Sooby-Doo, Where Are You?, will be providing vocals for Scooby-Doo this time around.