Superman: The Animated Series (1996)

S3E11 The Demon Reborn

Superman and Batman join forces to confront an elderly Ra's Al Ghul, who believes that capturing Superman is essential for maintaining his immortality. As they strategize together, the heroes must navigate Ra's cunning plans and relentless pursuit, all while grappling with their own complexities. The stakes rise as they race against time to thwart Ra's ambitions and protect both the world and Superman's vital essence.