Cartoon Olio is a former 3-hour (3:00 PM - 6:00 PM) Cartoon Network block that aired on Saturdays from July 7, 2001 until June 1, 2002. The block aired marathons of Cartoon Cartoons such as Dexter's Laboratory, Ed, Edd n Eddy, and Johnny Bravo as well as classic Hanna-Barbera series such as The Flintstones, Scooby-Doo, Where Are You!, Scooby-Doo and Scrappy-Doo and A Pup Named Scooby-Doo.