The World's Greatest SuperFriends is an American animated television series about a team of superheroes that ran from September 22, 1979, to September 27, 1980, on ABC. It was produced by Hanna-Barber

Challenge of the Superfriends is an American animated television series about a team of superheroes which ran from September 9 to December 23, 1978, on ABC. The complete series was produced by Hanna-B