The dystopian nightmare of The Purge has finally become a TV series - premiering September 4 on USA with a 10-episode first season. So what could there still be to explore within the world of The Purge, the warped, alternate-reality American "holiday" we've now seen over the course of four movies, from beginning (in The First Purge) to the ostensible end (in The Purge: Election Year)?