Zelena decides to take on the Black Fairy and put a stop to her, once and for all, against Regina's wishes, and the Charmings disagree over Emma and Hook's wedding plans.
Production
: Kitsis/Horowitz, ABC Studios
Actors
: Lana Parrilla, Colin O'Donoghue, Robert Carlyle, Gabrielle Anwar, Dania Ramirez
