What a Nightmare, Charlie Brown! is the 17th primetime animated TV special based upon the popular comic strip Peanuts, created by Charles M. Schulz. It was originally aired on Thursday, February 23, 1978, at 8:00 P.M. ET/PT on CBS. The special is unusual in that Snoopy and Charlie Brown are the only members of the Peanuts cast to appear in it. The plot is similar to that of Jack London's Call of the Wild.