The Lodger

Doctor Who

S5, E11: The Lodger

Available on iTunes, Prime Video
There's a house on Aickman road with a staircase that people go up, but never down... To solve the mystery of the man upstairs, the Doctor must pass himself off as a normal human being, and share a flat with Craig Owens.
Starring James Corden, Daisy Haggard, Owen Donovan