Justice League - Season 2 - Eps 3: Tabula Rasa (1)
Lex Luthor, on the run from the League, reactivates an old LexCorp project to stop the League - an android that can duplicate the powers of anyone it sees.
About Justice League

Title: Justice League
First Air Date: 2001-11-17
Last Air Date: 2004-05-29
Status: Ended
Rating: 8.1/10 (from 504 votes)
Language: EN
Seasons: 3
Total Episodes: 50
Network: Cartoon Network
Genres: Action & Adventure, Animation, Sci-Fi & Fantasy
Production Companies: Warner Bros. Animation, DC
Synopsis
The long-awaited rebirth of the greatest superhero team of all time: Batman, Superman, Wonder Woman, The Flash, Hawkgirl, Green Lantern, and Martian Manhunter.
Cast

Kevin Conroy
Batman (voice)

George Newbern
Superman (voice)

Susan Eisenberg
Wonder Woman (voice)

Phil LaMarr
Green Lantern (voice)

Carl Lumbly
J'onn J'onzz (voice)

Michael Rosenbaum
The Flash (voice)

Maria Canals-Barrera
Hawkgirl (voice)