Search form Gives Fans A Sneak Peak At Justice League gives fans a taste of what to expect from JUSTICE LEAGUE when the Website launches a special "sneak site" for the show on October 8, 2001. JUSTICE LEAGUE is a new action series from Cartoon Network that debuts on November 17, 2001, at 7:00 pm with a 90-minute movie presentation. JUSTICE LEAGUE brings together an all-star roster of popular superheroes including Superman, Batman, Wonder Woman, Green Lantern, The Flash, Hawkgirl and Martian Manhunter. Content on the sneak site will include dossiers on the JUSTICE LEAGUE heroes, surveillance of villains, a series overview, an exclusive desktop background and a special cToon code, redeemable at for a JUSTICE LEAGUE digital trading card. The official and comprehensive JUSTICE LEAGUE site will launch on November 12, 2001.