Release Message:  When Zelena's time portal re-opens and sends Emma and Hook (Colin O'Donoghue) into the Enchanted Forest of the past, their actions have dire consequences for the future.

Description:  In this the first part of a double episode, everyone in Storybrooke joins Mary Margaret and David as they prepare to celebrate the birth of Emma's brother but the time traveling portal that Zelena created before her demise comes to life, and takes Emma and Hook back to the Enchanted Forest before the events of the original curse. When Zelena's time portal re-opens and sends Emma and Hook into the Enchanted Forest of the past, their actions have dire consequences for the future.