2x07: The Witchfinder
2x04: Lancelot and Guinevere
2x03: The Nightmare Begins
1x13: Le Morte d'Arthur
1x12: To Kill the King
1x10: The Moment of Truth
1x07: The Gates of Avalon
1x04: The Poisoned Chalice
1x03: The Mark of Nimueh
1x01: The Dragon's Call
2x34: Magic Train