Mark Gatiss pens his second Doctor Who episode of 2013 - following the exemplary 'Cold War', Gothic romp 'The Crimson Horror' sees horror nut Gatiss back on more familiar ground...
Dynamic trio Madame Vastra, Jenny and Strax return, but with the Doctor (Matt Smith) and Clara (Jenna-Louise Coleman) missing, do they have what it takes to unravel the sinister machinations of perfidious hag Mrs Gillyflower (guest star Diana Rigg)?
Doctor Who continues on BBC One on Saturday (May 4) at 6.30pm - check out our ten teasers for 'The Crimson Horror' below. Mild spoilers!
1. Peter Davison fans will be happy - look out for a reference to the Fifth Doctor's era.
2. "Swoon! Have a funny turn! Fit of the vapours!"
3. Expect the first 'Doctor snogging' moment since 'The Snowmen'.
4. "Horse - you have failed in your mission!"
5. The Doctor busts out his Northern accent for the first time since 'The Rebel Flesh'.
6. "The bright day is done, child, and you are for the dark."
7. Kung-fu in Victorian Yorkshire? Oh, go on then.
8. "Nothing must interfere with the great work!"
9. The villain may be "sweet" - but sadly the Kandyman doesn't make a cameo.
10. "It's complicated."
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