Smile | Doctor Who: Series 10 | Alternative BBC One TV Trailer

"Welcome to paradise..." In the far future, at the edge of the galaxy, there is a gleaming, perfect city. This brand new human settlement is said to hold the secret of human happiness - but the only smiles the Doctor and Bill can find are on a pile of grinning skulls. Something is alive in the walls, and the emojibots are watching from the shadows, as the Doctor and Bill try to unravel a terrifying mystery... Tags: Peter Capaldi, Twelfth Doctor, Pearl Mackie, Bill Potts, Matt Lucas, Nardole, Smile, Kiran L. Dadlani, Kezzia, Mina Anwar, Ralf Little, Kaizer Akhtar, Emojibots, Frank Cottrell-Boyce, Steven Moffat