Justice League - Season 1 Episode 18
The sorceress Morgaine Le Fey and her son Mordred search for the Philosopher's Stone, and the Justice League need the help of the Demon Etrigan to thwart her.
- genus: Action & Adventure, Animation, Sci-Fi & Fantasy
- Studio: Cartoon Network
- keyword: hero, atlantis, superhero, based on comic, space, alien, super speed, justice, super power, superhero team, gods, super villain, amazon women, magic spell, science fiction, dc animated universe (dcau)
- cast: Kevin Conroy, George Newbern, Susan Eisenberg, Phil LaMarr, Carl Lumbly, Michael Rosenbaum