ABC debuted the first trailer for the fourth season of “Once Upon a Time” at the San Diego Comic-Con and you can now watch it below!
The new season, premiering on September 28, will introduce Georgina Haig (“Fringe”) as Frozen‘s Elsa. Also joining Haig are Elizabeth Lail as Anna, Queen Elsa of Arendelles younger sister, while Scott Michael Foster will play Kristoff.
