| Merlin - S05E12 - The Diamond of the Day (1).webm|
Plot Summary: High in the mountains, a great horde gathers; Morgana prepares for war with a vengeful Mordred at her side. Merlin feels the weight of his destiny like never before as the ancient prophecies play out with terrifying accuracy. But before he can save his beloved Camelot, he must save himself. For it is not just the kingdom Morgana wishes to destroy – it is also Emrys.
Release Date: 2012-12-22
Directors: Julian Jones,Jake Michie
Writers: Julian Jones,Jake Michie
Starcast: Colin Morgan,Peter Guinness,Katie McGrath