Justice League (2001)

S2E13 Eclipsed (1)

A mysterious gemstone exerts a dark influence over anyone who comes into contact with it, corrupting their intentions and turning them malevolent. Among those affected is Wonder Woman, who finds herself ensnared by its sinister power. As the gemstone spreads its nefarious grip, the heroes must confront the chilling reality that their ally has succumbed to darkness, leading to a battle against not only the external threat but also the internal struggle within their ranks.