Green Lantern: The A
Based on the popular comic series by DC Comics, this show stars a superhero who possesses a magical ring that gives him super powers.
An American animated television series about a team of superheroes which ran from 2001 to 2004 on Cartoon Network. Produced by Warner Bros. Animation, it is based on the Justice League and associated comic book characters published by DC Comics. After its second season, it became Justice League Unlimited, and ran an additional three seasons.
It's been years since Batman was last seen and Bruce Wayne secludes himself away from the resurgence of crime in Gotham. After discovering Bruce's secret identity, troubled teenager Terry McGinnis dons the mantle of Batman. With Bruce supervising him, Terry battles criminals in a futuristic Gotham and brings hope to its citizens.