Breaking Glass

"Breaking Glass" is the fifth episode of Season Four of ABC's Once Upon a Time. It was written by Kalinda Vazquez & Scott Nimerfro, and directed by Alrick Riley. It is the seventy-first episode of the series overall, and premiered on October 26, 2014.

Synopsis
Regina reluctantly teams up with Emma to search for the Snow Queen after Sidney, who is once again Regina's prisoner in the mirror, discovers her whereabouts and agrees to lead her to the location. With Belle babysitting baby Neal, a nervous Mary Margaret and David prepare for their first date night away from their child and find themselves on a mission to track down Will Scarlet, who has escaped from the town jail, and Elsa sees Anna in the Storybrooke woods. Meanwhile, back in the past, young Emma finds herself a kindred spirit when she befriends a girl who, like her, is a runaway orphan.

Starring

 * Ginnifer Goodwin as Mary Margaret Blanchard
 * Jennifer Morrison as Emma Swan
 * Lana Parrilla as Regina Mills
 * David Nolan as David Nolan
 * Emilie de Ravin as Belle
 * Colin O'Donoghue as Hook
 * Jared S. Gilmore (Credit only)
 * Michael Socha as Will Scarlet
 * Robert Carlyle (Credit only)

Guest Starring

 * Giancarlo Esposito as Sidney Glass
 * Georgina Haig as Elsa
 * Pascale Hutton as Queen Arendelle (Credit only)
 * Elizabeth Lail as Anna
 * Elizabeth Mitchell as Snow Queen
 * Nicole Munoz as Lily
 * Abby Ross as young Emma

Co-Starring

 * Anson Hibbert as Policeman
 * Barclay Hope as Lily's Father
 * Kelly-Ruth Mercier as Store Manager
 * Oliver Rice as King Arendelle (Credit only)
 * Ilias Webb as Kevin

Uncredited

 * Unknown baby as Neal Nolan

Production Notes

 * The title card features the ice staircase created by Elsa.

Event Chronology

 * The Land Without Magic events take place in 1998, after "Snow Drifts" and before "Tallahassee".
 * The Storybrooke events take place after "The Apprentice".

Popular Culture

 * Lily says that she likes to think of the star imprint on her arm as some kind of symbol; "Like Harry Potter, or something"; a reference to the title character of the famous book series by J. K. Rowling, and the scar he has on his forehead.