Merlin (2008)

S05E01 Arthur's Bane (1)

Camelot is thriving in a new era of prosperity, yet beneath its blossoming surface, ominous forces are at work. In the icy northern wastelands, men are vanishing without a sound. King Arthur and his knights embark on a perilous journey into this uncharted territory to uncover the truth. However, once they arrive, Merlin finds himself engaged in a confrontation more formidable than any he has previously faced.