The heroes head to the Underworld to try and rescue Hook but they may find more challenges than they bargained for as several of the souls trapped there have personal vendettas and unfinished business.
Elsewhere, in a flashback to the Enchanted Forest of the past, it appears that while everyone else is enjoying some ale, the Evil Queen's past has consequences that she must face.
Check out these photos from Once Upon a Time Season 5 Episode 12, "Souls of the Departed" when it returns Sunday, March 6, 2016.
And if you can't wait to see the magic, you can watch Once Upon a Time online now here at TV Fanatic.
Regina Gets a Visitor - Once Upon a Time
Regina is forced to confront a visitor from her past on the return of Once Upon a Time.
Cora Looks Thrilled - Once Upon a Time Season 5 Episode 12
Cora looks thrilled to see her daughter once again, even if they are meeting up in the Underworld.
Who Will Mr. Gold Find? - Once Upon a Time Season 5 Episode 12
Who will Mr. Gold find waiting for him in the Underworld. We can't imagine he has many friends there.
A Party Going On - Once Upon a Time Season 5 Episode 12
But back in the Enchanted Forest of the past, there seems to be a party going on as the dwarves have fun with Prince Charming and Snow White.
Grumpy Looks Happy - Once Upon a Time Season 5 Episode 12
Even Grumpy seems very happy with their get together and the large mug of ale he's got in his hand.
Crashing the Party - Once Upon a Time Season 5 Episode 12
Will the Evil Queen crash their party? As much as we love Regina and how far she's come, it's hard not to miss the Evil Queen's epic wardrobe.