The Darkest Hour (1)
Merlin · Season 4 · Episode 1
Evil sorceress Morgana summons mighty gatekeeper the Cailleach, who opens a door to another world from which hellish creatures pour forth. As Arthur and his loyal knights take up arms, Merlin discovers the only thing that will stop them is an unimaginable sacrifice.
Episode Details
Air date, runtime, timezone, and episode position.
Season
4
Episode
1
Air Date
01/Oct/2011
Air Time
19:00
Runtime
44 min
Overview
Episode summary.
Evil sorceress Morgana summons mighty gatekeeper the Cailleach, who opens a door to another world from which hellish creatures pour forth. As Arthur and his loyal knights take up arms, Merlin discovers the only thing that will stop them is an unimaginable sacrifice.
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