The Sins of the Father

Summary

Arthur is challenged to a duel by a mysterious warrior. Arthur and Merlin then find themselves on a quest on Morgause's behalf. A dark secret is discovered by Arthur that could change Camelot forever.

Guest stars

• Emilia Fox as Morgause
• Rupert Young as Sir Leon
• Rhys Rusbatch as Guard
• Alice Patten as Ygraine
• Michael Cronin as Geoffrey of Monmouth