Fantasy Television Trailer TV Trailer: Once Upon A Time – Season 4 (Elsa’s Debut) September 1, 2014September 1, 2014 Larry Litle Here is the trailer for season 4 of Once Upon A Time. They are predicting an early winter. Yes, Elsa brings winter to Storybrooke. I am getting Chills because it is so KOOL. Stay Geeky My Friends! Share Facebook Twitter Pinterest Linkedin