Once Upon A Time "Broken Heart" Clip: Regina & Snow Chew Out Emma For Turning Hook Dark

ABC has released a third sneek peek from Sunday's episode of Once Upon A Time: "Broken Heart."

In this clip, Emma tells Regina and Snow that her only choice was to turn Hook into a Dark One or let him die. "I thought the best way to control the Darkness was to isolate myself," Emma explains. "But when I did that there was no one around to give me hope or to tell me I'm being stupid!"

Check out the clip below.

In a Camelot flashback, Hook becomes a Dark One and his lust for revenge against Rumplestiltskin is reignited. When Emma and Hook disagree about their best course of action, the final pieces of the puzzle are revealed as events in Camelot catch up to the present and we witness a charged confrontation between the forces of light and dark that sends our heroes on a collision course with destiny. Meanwhile, in Storybrooke, Hook's centuries old lust for revenge against Gold puts both of their fates in jeopardy while Emma's love faces the ultimate test as she tries to convince Hook to turn away from the darkness before she, Mary Margaret, David and Regina embark on a new mission as an unsuspected evil is released.

"Broken Heart" episode of Once Upon a Time will air Sunday, November 29 at 8PM EST on ABC.