5x03 Emma & Hook #3

DAVID AND ARTHUR EMBARK ON A HEROIC QUEST WHILE EMMA ENACTS HER PLAN TO DRAW EXCALIBUR, ON ABC’S “ONCE UPON A TIME“ Sinqua Walls Guest Stars as Lancelot, Joana Metrass Guest Stars as Guinevere and Liam Garrigan Guest Stars as King Arthur “Siege Perilous“ - In Camelot, the heroes feverishly work to free Merlin. Determined to help Emma, David embarks on a quest to retrieve a magical relic that Regina could use to communicate with the imprisoned sorcerer, but, when David leaves, Arthur insists on joining him