The story begins at a big football game where Snoopy wins a game from Peppermint Patty's team. That night, Snoopy gets out a radio, learns some 80's dance moves, and becomes Flashbeagle.
It's Flashbeagle, Charlie Brown is the 27th prime-time animated musical television special based upon the comic strip Peanuts by Charles M. Schulz. It originally aired on CBS on April 16, 1984.