Wikipedia
ToonHeads is an American animation anthology series consisting of Hanna-Barbera, Metro-Goldwyn-Mayer, Warner Bros. and Popeye cartoon shorts, with background information and trivia, prominently about animators and voice actors like: Mel Blanc, Tex Avery, Hugh Harman, Rudy Ising, David H. DePatie, Friz Freleng, Chuck Jones, William Hanna, Joseph Barbera, and Daws Butler. The program was narrated by Leslie Fram and Don Kennedy. Every half-hour episode would have a different theme, including one series of episodes in 1996 featuring the long-unseen Nudnik shorts.
ToonHeads was originally broadcast on Cartoon Network from October 2, 1992 to November 23, 2003. Reruns aired from 2003 to 2005, concluding with the Christmas special on December 24, 2005. The series includes 82 episodes, two one-hour specials, and one half-hour special which was never aired.