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Doctor Who series 9 continues with episode 3: ‘Under The Lake’, written by Toby Whithouse (Being Human).

When an Underwater Base comes under attack, the Doctor (Peter Capaldi) and Clara (Jenna Coleman) 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?

The episode guest stars Steven Robertson, Arsher Ali, Sophie Stone, Morven Christie, Paul Kaye, Colin McFarlane and Zaqi Ismail.

Doctor Who: ‘Under The Lake’ airs Saturday, 3rd October at 8.25pm on BBC One.

Check out the pictures below (click on any image to open gallery):

© BBC

Watch the trailer below…