Justice League Unlimited - Season 2 - Eps 1: The Cat and the Canary
Black Canary convinces Green Arrow to help save her mentor, Wildcat, from his involvement in an underground, super-powered fight club known as MetaBrawl.
About Justice League Unlimited

Title: Justice League Unlimited
First Air Date: 2004-07-31
Last Air Date: 2006-05-13
Status: Ended
Rating: 8.26/10 (from 791 votes)
Language: EN
Seasons: 3
Total Episodes: 39
Network: Cartoon Network
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy, Kids
Production Companies: Warner Bros. Animation
Synopsis
The galaxy's most powerful superheroes return to battle the allied villains and criminal plots that endanger the universe.
Cast

Kevin Conroy
Batman (voice)

George Newbern
Superman (voice)

Susan Eisenberg
Wonder Woman (voice)

Carl Lumbly
J'onn J'onzz (voice)

Phil LaMarr
Green Lantern (voice)