Justice League Unlimited: The Once and Future Thing (Part 1)

"The Once and Future Thing (Part 1)" is the twelfth episode of season one of the animated superhero fantasy series Justice League Unlimited, which is the third season of combined Justice League cartoon series. The episode was directed by Dan Riba with a teleplay written by Dwayne McDuffie and Jerry Siegel. It first aired on Cartoon Network on January 22nd, 2005.