WARNING: Embargoed for publication until 00:00:01 on 29/09/2015 – Programme Name: Doctor Who – TX: 03/10/2015 – Episode: AFTER THE LAKE (By Toby Whithouse) (No. 3) – Picture Shows: ***EMBARGOED UNTIL 29th SEPT 2015*** Clara (JENNA COLEMAN) – (C) BBC – Photographer: Simon Ridgway