Doctor Who Series 10 has begun and we have a huge gallery of images here for you to enjoy from the fourth episode, Knock Knock.
Check out the synopsis and cast details below.
Written by Mike Bartlett
Bill is moving in with some friends and they’ve found the perfect house - so what if it’s strangely cheap to rent, and the landlord is a little creepy?
The wind blows, the floorboards creak, and the Doctor thinks something is very wrong. What lurks in the strange tower at the heart of the building - and why can’t they find any way to enter it?
Starring: Peter Capaldi (The Twelfth Doctor), Pearl Mackie (Bill Potts), Matt Lucas (Nardole), David Suchet (The Landlord), Bart Suavek (Pavel), Colin Ryan (Harry), Mandeep Dhillon (Shireen), Alice Hewkin (Felicity) and Ben Presley (Paul).