Merlin (2008)

S05E11 The Drawing of the Dark

Mordred grapples with conflicting feelings of loyalty and love, unaware that his decision holds the power to determine Camelot's future. Meanwhile, with the ominous sounds of impending war growing stronger, a frantic Merlin feels cornered by the harsh grip of destiny. He struggles with the fear that he may be helpless to prevent his visions of Albion from falling apart.