Santa Claus is coming to town tonight on Castle at 10p on ABC and he’s been murdered. Now Castle and Beckett have to figure out who killed the most loved man in the world by throwing him out of a plane. Some of the suspects are other Saint Nick’s and their Secret Santa Society will protect each other. So did one of them do it or is someone else to blame? You have to tune into one of the most unusual, but fun holiday episodes ever to air!