In the penultimate episode of fantasy drama Merlin‘s fourth series, a deadly net is closing in around Camelot, with Morgana at the head of a vast Southron army.

Can Merlin save the King from Morgana’s clutches? Or has Arthur’s luck finally run out?

The Sword in the Stone (Part One) airs at 8.10pm on Saturday 17th December on BBC One. In the meantime, here are some hints the episode…

» Watch out for what could be described as a Royal wardrobe malfunction.

» As many as four female characters will feature in this episode!

» Who will be revealed as a twisted firestarter?

» Arthur enjoys some lessons in love from an unexpected direction.

» One knight of Camelot will sing for his supper.

» Jealousy will be rife as two men vie for the attention of a Lady.

» Who will be described as a village idiot?

» A gift brought by one of the Three Wise Men will be involved.

» Two new legendary characters will be smuggled into the story.

» ‘Turnip head!’

> Order the Complete Series 4 boxset on Amazon.

Are you looking forward to the episode? Let us know below…