The Threat of All-Out War for Camelot Looms on MERLIN Tony Award-Winning Actress Lindsay Duncan Guest Stars as Arthur Discovers the Perils of Being King in ‘His Father’s Son,’ Airing Friday at 10 p.m. ET/PT Only on Syfy King Arthur makes his first bold decision with the questionable guidance of Agravaine, leading to the threatContinue reading “MERLIN: What’s next in His Father’s Son (2012)”