To celebrate Scooby-Doo's 30th anniversary, Cartoon Network will present a 24-hourSCOOBY-DOO, WHERE ARE YOU? marathon beginning Saturday, October 23 at noon,a 10-hour marathon of Scooby-Doo movies on Saturday, October 30, and aneight-hour SCOOBY & SCRAPPY-DOO marathon on October 31. Immediately beforeeach of the marathons, as well as during them, Cartoon Network will airlive-action footage which will be called THE SCOOBY-DOO PROJECT, in whichthe real Scooby Gang heads out into the woods for a documentary in a spoofof THE BLAIR WITCH PROJECT. SCOOBY-DOO, WHERE ARE YOU?, the firstScooby-Doo TV series, debuted September 13, 1969.