Liverpool Sound and Vision Rating * * * *

Cast: Matt Smith, Jenna-Louise Coleman, Liam Cunningham, David Warner, Tobias Menzies, Josh O’Connor James Norton, Charlie Anson, Spencer Wilding, Nicholas Briggs.

Mark Gatiss must adore being part of the Doctor Who team. His occasional forays into the writing world of Britain’s longest running science fiction programme employs some of the best characters, some of the highest tension and most of all the dipping of his toe into his beloved horror genre, even if it pays homage with some of the best lines available.