S5·E12 The Diamond of the Day (1)
Synopsis
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.
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Frequently Asked Questions
When did Season 5 Episode 12 of Merlin air?
Season 5, Episode 12 ('The Diamond of the Day (1)') originally aired on December 22, 2012.
How long is Season 5 Episode 12 ('The Diamond of the Day (1)')?
The episode follows the standard broadcast runtime for Merlin.
What happens in Merlin Season 5 Episode 12?
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 ...