An all new Merlin airs tomorrow on Syfy but before it airs, checkout these all new sneak previews of the upcoming episode. When Gwen is snatched from Camelot without warning, Merlin knows there can be only one person responsible: Morgana. Watch a sneak peek into “The Dark Tower,” when Merlin meets Queen Mab.
[youtube=http://youtu.be/usTx–WLrKU]
