Once Upon a Time

S05E04 The Broken Kingdom

After Lancelot gives her a mysterious warning about Arthur's true intentions, Mary Margaret becomes convinced that Arthur poses a significant threat to the heroes. When David dismisses her concerns, she decides to take action on her own. Meanwhile, Hook’s steadfast love for Emma offers her a flicker of hope as she battles the relentless voice of Rumplestiltskin. In a flashback to Camelot, Guinevere realizes that Arthur is losing his way, consumed by his desire to restore Excalibur. Determined, she teams up with Lancelot for a journey into darkness. In Storybrooke, Dark Emma reveals a powerful new tactic in her quest to find the courageous soul needed to pull Excalibur from the stone.