Flash/Green Lantern: Faster Friends (1996-)

Trapped in another dimension, the Golden Age Flash must team up with the Modern Age Green Lantern, and the Golden Age Green Lantern must team up with the Modern Age Flash, in order to avert an alien invasion of Earth. Interestingly, the younger heroes seem to have switched powers.

DC Comics Aliens Friendship Magic Teenagers (13-18)
Adults (18+)
dc Superheroes