Thanks to the orchestrations of Luthor, terrorist John Corben becomes Metallo, a skin-covered cyborg with a Kryptonite heart. Luthor then sets the supervillain on a quest to kill Superman, but Corben begins to question his role as Metallo when he lacks any human senses in the progress.
Guest Cast

Lauren Tom
voices Angela Chen
Malcolm McDowell
voices Metallo
Jeff Bennett
voices Young Doctor
Neil Ross
voices Male Anchor
John Rubinow
voices Dr. Vale
Jennifer Richards
voices Young WomanCast Appearances

Tim Daly
voices Superman / Clark Kent
Dana Delany
voices Lois Lane
Clancy Brown
voices Lex LuthorEpisode Discussion
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