Big O Premier Details

The Big O will debut in the US on Toonami at 5:30 PM on April 2nd. Seven hours later, episode 2 will premier at 12:30 AM EST/PST. The remaining 11 episodes will follow this pattern meaning that after episode 1, new episodes will premier at 12:30 AM first than get re-broadcast later the same day at 5:30 PM.

After the initial broadcast, the entire 13 episode series will be re-run at 12:30 AM beginning Thursday April 19th and at 5:30 PM beginning Tuesday, April 24th.

Source: Dragonballz Kingdom