Pan's plan threatens the citizens of Storybrooke's joy over Henry's return; Snow and Charming spend their honeymoon searching for a mythical being that could stop Regina.
The race to stop Pan is on as Henry's life hangs in the balance; with Mr. Gold's help, Regina decides to adopt a baby.
Pan tries to convince Henry that he can save magic and Neverland; a young Rumplestiltskin receives a magical item that could give him a fresh start with his father.
Mr. Gold and Regina send Ariel back to Storybrooke with an item that will allow Belle to locate a hidden artifact that could help take down Pan. But unbeknownst to them, two men have broken into the town with the intent to stop them at all costs.
To repay Ariel (JoAnna Garcia Swisher) for saving her life, Snow White helps her get acquainted with Prince Eric; Mr. Gold and Regina begrudgingly agree to work together to take down Pan.
Hook brings the ailing David along on a quest.
Mr. Gold decides to confront Pan; one of Pan's most loyal Lost Boys holds Neal captive; David fights against the poison; Rumpelstiltskin searches for Bae.
Hook suggests tracking down Tinker Bell to help locate Pan's hideout.
Peter Pan offers Emma a map that will help her find Henry.
Unfriendly mermaids threaten those searching for Henry in Neverland; Henry and another escapee from Peter Pan's encampment go on the run; a still-recovering Neal travels the enchanted forest with Mulan in search of Emma's and Henry's fates.
Storybrooke's inhabitants brace themselves as Greg and Tamara activate the curse; Hook rescues Bae, who is being pursued by the Lost Boys.
Mary Margaret, David and Emma embark on a search when Regina and some magic beans go missing; Bae winds up in 19th century London.
Hook helps Regina with a plan to transport her and Henry to Fairytale Land; Emma grows suspicious of Tamara; the queen for help from Rumpelstiltskin.
Mr. Gold asks David for help in jogging Belle's memory; Anton's magic beans begin to grow; Rumpelstiltskin goes after a thief.
While on her own to deal with what happened with Cora, Mary Margaret comes across an entirely wooden August; Neal invites his fiancée to Storybrooke.
David, Emma and Mr. Gold try to protect Mary Margaret from a vengeful Regina; a man and his son find their way into Storybrooke.
Mr. Gold does the right thing and gives David a cure for Dreamshade poisoning, saving his life.
Mother Superior, also known as The Blue Fairy, is killed by Peter Pan's shadow! Emma suspects something may be wrong with Henry, but Regina refuses to listen.
Emma has Mr. Gold release Peter Pan from Pandora's Box into a world without magic, but she soon discovers that Pan switched bodies with Henry!
Emma admits she's worried about Henry and not sure that she's ready to be with Neal, but her dad gives her a great pep talk.
Using his disguise as Henry, Peter Pan steals The Dark Curse from Regina and plans to use it to turn Storybrooke into a new Neverland.
Snow has an idea on how to defeat the Evil Queen by turning her into stone!
Peter Pan returns to try to take Henry's heart, but Rumplestiltskin is there with Pandora's Box to stop him.
Emma and Mary Margaret are unable to escape Pan's Thinking Tree because of their regrets, but Regina shows that she doesn't regret anything that led to her getting Henry.
With Henry's life fading away, Regina needs to find a plan to kill Peter Pan and save her son's life.
Henry steps out onto the deck of the Jolly Roger as everyone sets sail for home, but is Henry really who he seems to be?
Rumplestiltskin tells the Evil Queen that she will need him to fill the hole in her heart that the curse has created.