Watch Merlin Season 4 Episode 1 - The Darkest Hour - Part 1 of 2

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Merlin Season 4 Episode 1
In the fourth season premiere, Merlin confronts his most difficult challenge yet when the balance of the world and Arthur's future is upset by Morgana's determination. Hellish creatures emerge killing everyone that they touch. With Uther, a shadow of his former self, Arthur and his loyal More
First Aired: January 6, 2012

Watch Merlin - The Darkest Hour - Part 1 of 2 (s4 e1) Online - Watch online anytime: Stream, Download, Buy, Rent

Merlin, Season 4 Episode 1, is available to watch free on Crackle, Tubi TV and stream on SyFy. You can also stream, download, buy, rent Merlin on demand at Amazon Prime, Netflix, Amazon, Hulu, FuboTV, The Roku Channel Free, Google Play, Apple TV online.