'Doctor Who': Series 9, Episode 5 Trailer "The Girl Who Died"

In a Viking village, a girl named Ashildr is about to make a desperate mistake. The Mire are the deadliest mercenaries in the galaxy, famed for showing no mercy and Ashildr has just declared war on them. The Doctor and Clara have 12 hours to turn a peaceful village into strong fighters, ready for the deadly Mire.

• 0:26 min
• October 11 2015 | 11:47