‘Once Upon A Time’ (OUAT) Season 6, Episode 20 Spoilers, Promo: Hook And Emma Get Married In ‘The Song In Your Heart’

by Jaskiran / Apr 30, 2017 11:03 PM EDT

Colin O'Donoghue and Jennifer Morrison speak on stage during 'Once Upon A Time' press junket on Day One of aTVfest 2017 presented by SCAD on February 2, 2017 in Atlanta, Georgia. (Astrid Stawiarz/Getty Images)

"Once Upon A Time" (OUAT) Season 6, Episode 20 is a special musical episode debuting next week. The upcoming segment is aptly titled "The Song in Your Heart" and it features the highly anticipated event, Emma and Hook's wedding.

[Spoiler alert! This article contains spoilers for "Once Upon a Time" (OUAT) Season 6, Episode 20 "The Song in Your Heart." Do not read further if you don't wish to know more about it.]

ABC is yet to release an official synopsis for "Once Upon a Time" (OUAT) Season 6, Episode 20. However, spoilers suggest that the special episode revolves around Hook and Emma's wedding.

According to Entertainment Weekly, "The Song in Your Heart" features songs by Emma (Jennifer Morrison), Regina (Lana Parrilla), Hook (Colin O'Donoghue), Charming (Josh Dallas), Snow (Ginnifer Goodwin), Zelena (Rebecca Mader), Henry (Jared Gilmore), Granny (Beverley Elliott), and others. It happens to be the penultimate segment that features seven original songs written by Alan Zachary, Michael Weiner, and composed by Mark Isham.

Not many details are available for this episode. However, the network has released a promo for "Once Upon a Time" (OUAT) Season 6, Episode 20. It gives a glimpse of entire Enchanted Forest singing. The clip suggests that a magical spell has got everyone singing. The final shot from the trailer shows Emma and Hook at the altar, right before they are about to exchange the rings. Scroll down to watch the trailer below.

In an interview with EW, showrunner Adam Horowitz reveal why is everyone breaking into song in "Once Upon a Time" (OUAT) Season 6, Episode 20. He reveals that it holds a "key to Emma's journey."

"The singing and the musical is tied directly to Emma," Horowitz added.

The characters are aware that there is something unusual happening to them and they are all singing.

"It felt like the right place. Hopefully, when you see how the device works within the episode and how it relates to Emma and her character journey, it all seems to make sense that it would lead up to this," Horowitz said of the musical episode.

"Once Upon a Time" (OUAT) Season 6, Episode 20 airs May 7 on ABC. More spoilers and updates are expected soon.