It Was a Short Summer, Charlie Brown It Was a Short Summer, Charlie Brown It Was a Short Summer, Charlie Brown is the sixth prime-time animated TV specials based upon the popular comic strip "Peanuts," created by Charles M. Schulz. It was directed by Bill Meléndez and originally aired on CBS on 27 September 1969. This was also the first "Peanuts" special not to feature the majority of the original voice cast from the inaugural "A Charlie Brown Christmas", except for Ann Altieri, Bill Melendez, Peter Robbins, and Sally Dryer. Among the notable additions to the cast for this special was Pamelyn Ferdin, Robbins's co-star on "Blondie".
What a Cartoon! Burbank, as the rightful Hanna-Barbera successor to produce original programming for the network and future projects. Two "What a Cartoon!" shorts, "Wind-Up Wolf" and "Hard Luck Duck", were the last cartoon shorts directed and produced by co-founder and co-chairman William Hanna. In addition, "What a Cartoon!" and spin-offs were the final original productions released by Hanna-Barbera. Creator of "The What a Cartoon! Show", Fred Seibert, left Hanna-Barbera in late 1996 to open up his own studio, Frederator Studios, and has persistently continued in the tradition of surfacing new talent, characters, and series with similar shorts "incubators", including (as of 2015)