Broadcast: Sunday 25th June 2017
12:00am-1:00am EDT (04:00 GMT) < > « »
BBC America (adverts during broadcast)

Featuring: Peter Capaldi, Matt Lucas, Pearl Mackie, Michelle Gomez, John Simm

Friendship drives the Doctor into the rashest decision of his life. Trapped on a giant spaceship, caught in the event horizon of a black hole, he witnesses the death of someone he is pledged to protect. Is there any way he can redeem his mistake? Are events already out of control? For once, time is the Time Lord’s enemy…
Synopsis Source: Doctor Who Guide