World's Finest (3) Superman: The Animated Series : Season 2 Episode 18
TV-PG The WB 30m int(0)
Aired: October 4th, 1997 @ 12:00 AM EST on The WB
Lois ends her romance with Bruce Wayne when she discovers that he is Batman. Lex Luthor tries to end his alliance with the Joker, but the Joker turns the tables and kidnaps Lex and steals a powerful aircraft to attack Metropolis.