5x10 Emma Hook, 1

THE FATE OF STORYBROOKE HANGS IN THE BALANCE WHEN EMMA S AND HOOK S RELATIONSHIP IS TESTED AS NEVER BEFORE, ON ABC S ONCE UPON A TIME Elliot Knight Guest Stars as Merlin, Amy Manson as Merida, Sinqua Walls as Lancelot, Liam Garrigan as King Arthur and Joana Metrass as Guinevere Broken Heart In a Camelot flashback, Hook becomes a Dark One and his lust for revenge against Rumplestiltskin is reignited. When Emma and Hook disagree about their best course of action, the final pieces of the puzzle are rev