Justice League Unlimited - Season 3

Season 3, Episode 13 - "The Once and Future Thing: Time, Warped (2)"

29 January, 2005

The Justice League reluctantly teams up with the Legion of Doom in anticipation of an omega-level threat. Darkseid launches a full-scale invasion of Earth and the combined League and Legion battle para-demons across the planet. Meanwhile, Superman, Batman, and Lex Luthor take on Darkseid atop the Daily Planet building, until Metron offers Luthor the ultimate deal with the devil.