Episode Name: The Sword In The Stone Part 1
Air date: 12/17/2011
Summary: Morgana manages to close in around Camelot by leading the vast and powerful Southron army. Her strike proves to be a successful one that forces Arthur and his close loyals run for their lives. However, Morgana won’t be satisfied with letting him escape that easily and a chilling hunt will follow. Will Merlin be able to save the King from Morgana’s clutches or will Arthur’s luck have finally run out?
Watch or download Merlin – Season 4 Episode 12 – The Sword In The Stone Part 1 at below links.