WARNING: Embargoed for publication until 00:00:01 on 25/04/2017 - Programme Name: Doctor Who S10 - TX: 29/04/2017 - Episode: Thin Ice (No. 3) - Picture Shows: ***EMBARGOED UNTIL 00:01hrs 25th APRIL 2017*** Spider (AUSTIN TAYLOR) - (C) BBC - Photographer: Simon Ridgway