David Denman in Peacemaker season 2. This is the point that Peacemaker season 2 has been building to all along, and not just because it's the season finale. Jennifer Holland in Peacemaker season 2 episode 7. Either way, this isn't over and the Peacemaker season 2 finale is about to be huge! The season finale of Peacemaker season 2 streams on HBO Max next Thursday, October 9, at 9/8c.