Batman; Wonder woman; Aquaman; Superman; Robin; Wonder Twins [Zan; Jayna]; Gleek; The Cvag (aliens); Pywal (leader of the Cvag)
Synopsis
When an alien race named the Cvag build a city in Earth's atmosphere and use a gravity device to ground all aircraft and flying super-heroes, it is up to the Wonder Twins to infiltrate the alien city to stop them.