This week's Merlin is possibly series five's strongest episode yet - 'The Dark Tower' sees Gwen (Angel Coulby) plunged into a world of psychological horror when she is captured by the sinister Morgana (Katie McGrath)...

Accompanied by faithful Merlin (Colin Morgan), Arthur (Bradley James) leads his valiant knights on a quest to rescue his beloved - but what will be the true cost of the Queen's freedom?

Merlin continues on BBC One this Saturday (November 10) at 8.05pm.

> Merlin: New episode 'The Dark Tower' in pictures

> Merlin: 'The Disir' review



1. Dark in tone as well as title, this episode isn't one for very young viewers...

2. "There is dark magic coursing through their veins..."

3. There's a moment five minutes in that'll have Merthur fans quivering.

4. "The tower... everything in its shadow was dead..."

5. Gwaine has some rather interesting ideas about what makes for fine cuisine.

6. "It's a trap - she's luring you to your doom..."

7. Flirty imp Queen Mab (Kelly Wenham) is the bringer of bad omens...

8. "I wouldn't be in such a hurry to know..."

9. We get to see Merlin display a new magical ability.

10. "She's a maiden in a tower... a damsel in distress... I was born for this moment!"

Are you excited for the next episode of Merlin? Let us know below!

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