It's Flashbeagle, Charlie Brown

It's Flashbeagle, Charlie Brown is the 27th prime-time animated television special based upon the comic strip Peanuts, by Charles M. Schulz. The show is presented as an original musical which features parodies of the early 1980s breakdancing craze, the movies Saturday Night Fever and Flashdance, and a number of popular top 40 hit songs of the early 1980s. (Wikipedia)