Justice League Unlimited
13 episodes
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.
The Ties That Bind
Mister Miracle and Big Barda solicit Justice League assistance to free Oberon from Apokolips. J'onn refuses, but Flash decides to help out on his own.
The Doomsday Sanction
Superman battles Doomsday in the heart of a volcano. Doomsday is revealed to be a modified clone of Superman. Batman probes the Cadmus conspiracy to destroy the Justice League.
Task Force X
Cadmus has recruited a team of supervillains named Task Force X (based on the comics' Suicide Squad) made up of Deadshot, Plastique, Captain Boomerang, and the Clock King. Their mission: steal the Annihilator armor from the Watchtower.
The Balance
To help her magic superhero friends, the God Hermes sends Wonder Woman on a mission to help free Hades from the clutches of Felix Faust.
Double Date
Seeking to avenge the death of her parents, the Huntress enlists the help of the Question in tracking down Steven Mandragora, a mobster in protective custody -- and being guarded by the Green Arrow and Black Canary.
Clash
Captain Marvel joins the Justice League and his innocent presence inadvertently causes friction with Superman.
Hunter's Moon
Shayera, Vixen and Vigilante are lured into an ambush by Thanagarians seeking revenge.
Question Authority
The Question, fearing disaster, decides to kill Lex Luthor to avert it.
Flashpoint
Lex Luthor executes his masterstroke to eliminate Project Cadmus and frame the Justice League.
Panic in the Sky
While the senior Leaguers struggle to respond to the mysterious main gun firing, Amanda Waller orders Galatea to lead a full attack on the Justice League.
Divided We Fall
The Justice League charter members must battle the combined Lex Luthor/Brainiac menace alone.
Epilogue
In the future, Terry McGinnis learns the truth about his birth.