Justice League: Season 3, Episode 10

Dark Heart (11 Dec. 2004)

TV Episode  -   -  Animation | Action | Adventure
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Ratings: 7.1/10 from 113 users  
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The League must stop an alien weapon that destroys a planet by consuming its material to grow until it uses it all.



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Episode cast overview:
Batman / Bruce Wayne / Pilot (voice)
J'onn J'onzz / Martian Manhunter / Pilot (voice)
Superman / Clark Kent / Soldier / Pilot (voice)
Atom / Ray Palmer (voice)
Commander / Billy (voice)
Katie / Girlfriend (voice)


The League must stop an alien weapon that destroys a planet by consuming its material to grow until it uses it all.

Plot Summary | Add Synopsis





Release Date:

11 December 2004 (USA)  »

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Aspect Ratio:

1.78 : 1
See  »

Did You Know?


During the fight, Vixen, Vibe, and Steel, members of the "Detroit Justice League", are joined together. The Shining Knight and Vigilante, both of the Seven Soldier of Victory, are joined by fellow member S.T.R.I.P.E. (another, The Star-Spangled Kid, was replaced here by Stargirl who also joined them), while two more members, Green Arrow and Crimson Avenger, are paired up. See more »


Superman bears Batman in midair after the ejection. Batman is next on the battlefield behind Wonder Woman fighting alongside the others. But then Superman is back to flying him to Wonder Woman's location as he was a moment before. See more »


[a large creature rises behind The Atom]
The Atom: [turning] He's bigger than my car now, Katie. Personally, I blame you.
Katie: How can it possibly my fault?
The Atom: Because otherwise it would be my fault. And that can't be right; I'm a professor.
[swings onto the creature's back and opens a panel]
The Atom: I have the core control and I can see the problem. The chemical-wash made a bad nanochip. I can shut him down by -
[the creature swings wildly, going underwater for a second before rising]
The Atom: OK. I'm just gonna be direct.
See more »


References The War of the Worlds (1953) See more »


Justice League Unlimited Theme
Written by Michael McCuistion
See more »

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I'm going to go crazy. uriel_zuno
Oh how I hate the Legends episode!! dumpling321
superman was way too weak on the show umcpgrad
What a terrific example of great television head1993
Why is Batman considered a part-timer? jmuthe
Making a real movie bozik
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