When does Justice League return?

The series ran from November 17, 2001, to May 29, 2004, on Cartoon Network. It is based on the Justice League of America and associated comic book characters published by DC Comics. After two seasons, the series was rebranded as Justice League Unlimited, a successor series which aired for three seasons. Kevin Conroy reprised his voice role as Batman from Batman: The Animated Series (1992–1995), The New Batman Adventures (1997–1999), and Batman Beyond (1999–2001)