"World's Finest" is the thirty-second through thirty-fourth episodes of Superman: The Animated Series. Originally, this three-parter aired back-to-back as a movie event on October 4th, 1997. It depicts the first meeting of Batman and Superman. Strapped for cash, Joker steals a carved chunk of Kryptonite and offers Luthor his aid in killing Superman for one billion dollars. Lex agrees and now Superman must deal with Batman's deadliest foe. He soon discovers that Joker's more cunning than anyone he's ever dealt with before and needs Batman's help. However, with Luthor's technology, Joker is too great a threat even for Batman. Now the two heroes must overcome their differences to defeat this horrible foe. (Read more...)