WARNING: Embargoed for publication until 00:00:01 on 14/05/2017 - Programme Name: Doctor Who S10 - TX: 20/05/2017 - Episode: Extremis (No. 6) - Picture Shows: ***EMBARGOED UNTIL 14th MAY 2017*** Nardole (MATT LUCAS), The Doctor (PETER CAPALDI), Bill (PEARL MACKIE) - (C) BBC/BBC Worldwide - Photographer: Simon Ridgway