Once Upon A Time Season 5 Episode 4 "The Broken Kingdom" Trailer Released

ABC has released the first look at next Sunday's episode of Once Upon A Time, which will feature an unlikely team-up of Robin Hood (Sean Maguire), Regina (Lana Parrilla) and Hook (Colin O'Donoghue).

The Broken Kingdom (Season 5, Episode 4) - It's the one possession that can defeat the darkness - but it stands between them and saving their daughter.

Check out the sneak preview in the video below.

"The Broken Kingdom" episode of Once Upon A Time airs Sunday, October 18th at 8/7c on ABC.