SuperFriends: The Legendary Super Powers Show

Super Friends: The Legendary Super Powers Show is an American animated television series about a team of superheroes which ran from 1984 to 1985 on ABC. It was produced by Hanna-Barbera Productions and is based on the Justice League and associated comic book characters published by DC Comics.

Plot
The further adventures of the Justice League of America. The battle is now primarily against the evil New God Darkseid, who is bent on conquering Earth. Against this threat, the Super Friends are strengthened by the addition of a student and scientist who are able to fuse at will to become Firestorm, a superhero whose main power is the ability to manipulate the atomic structure of any inorganic object into anything he desires.