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Justice League Unlimited is an American animated television series, produced by Warner Bros. Animation. The series featured a wide array of superheroes from the DC Comics Universe, and was specifically based on the Justice League. The series is a direct sequel to the previous Justice League animated series. It was also the final series set in the long-running DC Animated Universe that lasted from 1992 to 2006, beginning with Batman: The Animated Series.

JLU debuted on Cartoon Network's Toonami block on July 31, 2004[1] and last aired on the block on October 14, 2006.


Picking up soon after Justice League ended, it features a greatly expanded League, in which the characters from the original series—now referred to as "founding members"—are joined by a large number of other superheroes from the DC Universe. A number of these were heroes who had made guest appearances in Justice LeagueBatman: The Animated Series, and Superman: The Animated Series, but many heroes and other characters made their first animated appearances in this series. The general format of each episode is to have a small team assemble to deal with a particular situation, with a focus on both action and character interaction.

Most episodes tell a self-contained story, but the series also features extended story arcs, the first involving the building conflict between the League and a secret government agency known as Project Cadmus. This plot line builds upon events that occurred during the second season of Justice League (which in turn built upon events in Batman: The Animated SeriesSuperman: The Animated SeriesBatman Beyond, Static Shock, and The Zeta Project), and has affected the plotlines of most of its episodes. It was resolved in a four-part story at the end of the second season of Justice League Unlimited. The third and final season story arc focuses on the new Secret Society (which is based on the Legion of Doom) as the main villains, a loose-knit organization formed to combat the increased superhero coordination of the first season.


Towards the end of the series, certain characters became off-limits to the show. Characters associated with Batman and those who appeared in Batman: The Animated Series (aside from Batman himself) were restricted due to the unrelated animated series The Batman to avoid continuity confusion. However, in the episode "Grudge Match", a silhouette of Nightwing can be seen in one shot crouching amongst the stone gargoyles. Aquaman and related characters were unavailable due to the development of a pilot for a live-action series featuring the character as a young man (similar to Smallville), which was not picked up. Characters from DC's "mature readers" Vertigo imprint were also not allowed. No characters from the Teen Titans animated series appeared in JLU, nor vice versa, though Speedy appeared in an episode referencing The Seven Soldiers of Victory after Teen Titans was canceled.

To compensate for this, the producers used previously overlooked DC Comics characters to focus on in the stories. These include characters like Deadman, Warlord, and an unnamed modern equivalent of The Seven Soldiers of Victory. Also, reflecting the previous series focus on Jack Kirby's modern DC characters, Justice League Unlimited similarly focused on the DC/Charlton Comics characters created by Steve Ditko.



Color Season Episodes Season Premiere Season Finale
1 13 July 31, 2004 January 29, 2005
2 13 February 5, 2005 July 23, 2005
3 13 September 17, 2005 May 13, 2006

Justice League Unlimited is a direct sequel to the previous Justice League series. All episodes of Justice League Unlimited have been released on DVD by Warner Home Video. Warner Home Video also released a DVD box set titled "Justice League: The Complete Animated Series". It contained all 91 episodes of Justice League and Justice League Unlimited on a 15 disc set with the 15th disc containing a bonus documentary.

Broadcast History

Justice League Unlimited premiered in the United States on Cartoon Network from July 31, 2004[1] to May 13, 2006.[6] From June 3, 2007 to July 31, 2009, reruns of the series aired on Boomerang. In August of 2012, the series began airing on The CW's Vortex block until the block's cancelation. In the UK, the series aired on Toonami from 2005 to 2006.

  • United States (Cartoon Network) — July 31, 2004[1] - 2006
  • United States (Boomerang) — June 3, 2007[7] - July 31, 2009[8]
  • United States (The CW) — August 25, 2012 - August 23, 2014
  • United Kingdom (Toonami) — June 6, 2005[9] - 2006

Toonami Broadcast History

  • Toonami (United States) — July 31, 2004[1] - September 24, 2005[2]; February 11, 2006[3] - May 13, 2006[4]; October 14, 2006[5]
  • Toonami (United Kingdom) — June 6, 2005[10] - 2006

External Links

See Also

All series are also part of the DC Animated Universe


  1. 1.0 1.1 1.2 1.3 1.4 "Justice League Unlimited "Initiation" Talkback ". July 31, 2004. Retrieved on April 29, 2017. 
  2. 2.0 2.1 "Line Of The Night 9/24/05 ". September 24, 2005. Retrieved on July 27, 2018. 
  3. 3.0 3.1 "Toonami's Symphony - February 11, 2006 ". February 9, 2006. Retrieved on July 27, 2018. 
  4. 4.0 4.1 "Line of the Night 05/13/06 ". May 13, 2006. Retrieved on July 27, 2018. 
  5. 5.0 5.1 "Line of the Night [10/14] ". October 14, 2006. Retrieved on July 27, 2018. 
  6. "Justice League Unlimited "Destroyer" Talkback ". May 13, 2006. Retrieved on April 29, 2017. 
  7. "Boomerang Schedule ". June 3, 2007. Retrieved on April 29, 2017. 
  8. "Boomerang Schedule ". July 31, 2009. Retrieved on April 29, 2017. 
  9. "JLU too finally air on Toonami UK ". May 15, 2005. Retrieved on April 29, 2017. 
  10. "JLU too finally air on Toonami UK ". May 15, 2005. Retrieved on April 29, 2017. 
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