Broadcast: Tuesday 8th August 2017
3:25pm-4:11pm CEST (13:25 GMT) < > « »
Presented in Italian
RAI4 (adverts during broadcast)

Featuring: Peter Capaldi, Jenna Coleman, Morven Christie, Zaqi Ismail, Paul Kaye, Sophie Stone

When an Underwater Base comes under attack, the Doctor and Clara must save the frightened crew and defeat an impossible threat. But what is behind these terrifying events? And can they really be haunted by ghosts?
Synopsis Source: Doctor Who Guide