BBC America has released these images from Episode 2, Smile.
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…