Justice League Unlimited
Justice League Unlimited expands the animated superhero landscape by assembling an enormous roster led by Batman, Superman, and Wonder Woman, voiced by Kevin Conroy, George Newbern, and Susan Eisenberg. The series tracks this growing league as they respond to coordinated villain plots,... Read more
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Streaming availability last verified: January 14, 2026
About Justice League Unlimited
Justice League Unlimited expands the animated superhero landscape by assembling an enormous roster led by Batman, Superman, and Wonder Woman, voiced by Kevin Conroy, George Newbern, and Susan Eisenberg. The series tracks this growing league as they respond to coordinated villain plots, interstellar dangers, and political and ethical conflicts that threaten Earth and beyond. Episodes shift between tight action set pieces and quieter character beats that lift up lesser-known heroes alongside the core cast. Stakes range from street-level crises to cosmic conspiracies, and ongoing arcs show how government oversight and public opinion strain the heroes, while many episodes stand alone without revealing major plot twists.
Premiering in 2004, the show builds on the earlier Justice League animated series and adapts characters created by Bob Kane, Gardner Fox, and Joe Shuster, presenting a television-ready, ensemble-driven format.
The series received recognition within the animation community, earning a number of industry nominations and wins at animation festivals and guild events. Critics and peers frequently praised its writing, voice casting, and storyboarding, and its technical and narrative strengths were regularly highlighted during awards season.
It helped redefine team-based superhero cartoons by giving screen time to obscure DC characters and influencing later animated and live-action adaptations. The show's attention to continuity and mature themes broadened its audience, and fans still reference its tone, morally complex scenes, and the way it integrated a vast continuity into episodic storytelling.
Critics rated it highly, and it's reflected in an 8.275/10 user average from 839 votes, with particular praise for sharp scripts, layered themes about authority and accountability, and standout voice performances from the ensemble cast. Reviewers often call it one of the stronger entries in DC's animated lineup, able to appeal to younger viewers while offering depth that older fans appreciate.
Details
- Release Date
- July 31, 2004
- User Ratings
- 839 votes
- Type
- TV Series
- Seasons
- 3
- Episodes
- 39
- Genres
- Animation, Action & Adventure, Sci-Fi & Fantasy, Kids
Official Trailer
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)
Created by: Bob Kane, Gardner Fox, Joe Shuster
Seasons (3 seasons, 39 episodes)
Season 1
13 episodes - 2004
Season 2
13 episodes - 2005
Season 3
13 episodes - 2005