What's Coming to Netflix on Sept. 15 America's Book of Secrets, season 2 Ancient Aliens, season 3 Cold Case Files Classic, season 1 The Curse of Oak Island, season 4 Hope Frozen: A Quest to Live Twice Izzy's Koala World Michael McIntyre: Showman Pawn Stars, season 2 The Rap Game, season 2 The Smurfs 2 Taco Chronicles, volume 2 The Universe, season 2 Image Source: Netflix