Justice League Unlimited
Season 1, Episode 13: The Once and Future Thing (2): Time, Warped
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The time traveling League team goes to the future to team up with that time's League to battle Chronos who rules.
All Episodes - Season 1
Episode 1
Initiation
Episode 2
For the Man Who Has Everything
Episode 3
Kid Stuff
Episode 4
Hawk and Dove
Episode 5
This Little Piggy
Episode 6
Fearful Symmetry
Episode 7
The Greatest Story Never Told
Episode 8
The Return
Episode 9
Ultimatum
Episode 10
Dark Heart
Episode 11
Wake the Dead
Episode 12
The Once and Future Thing (1): Weird Western Tales
Episode 13
The Once and Future Thing (2): Time, Warped