Cult Fix’s 15 preview teasers for the sixth episode of Merlin Series 4, A Servant of Two Masters.

• “If I do die, will you call me a hero?”
• “I haven’t seen you since you condemned my sister to a slow and painful death”
• Arthur is finally alerted to the fact there is a traitor in Camelot
• “Fomorroh will suck the life force out of you. Everything that makes you Merlin will be gone”
• Meet George. Arthur’s perfect new manservant and Merlin’s replacement
• Merlin shares something in common with a pig. And also kills one!
• Gwen knocks out Merlin. Twice
• Sir Leon is happy for Merlin to kill Arthur
• Merlin prepares a steamy hot bath for Arthur
• Gaius and Gwen catch Arthur naked
• Emrys fights the Knights
• Someone discovers Agravaine’s secret
• “Is Gaius dead?”
• Emrys and Morgana battle each other using magic…with only one left standing
• “So Emrys, it seems you will not be my doom after all”

A Servant of Two Masters airs Saturday at 7.55pm on BBC1.