In addition to the clip of Williams speaking, we have two scenes from the upcoming episode. The first scene involves Clara in distress—and  getting some entertaining help from the Doctor. The second is a clip of Vikings in a trap. It’s up to Clara and Ashildr to find a way out.

 

In a clip from BBC America, below, Williams discusses her concern about the two-parter, “The Girl Who Died” and “The Woman Who Lived,” which will air on Oct. 17 and Oct. 24. Williams, who plays Ashildr the Viking, said, “I hope that it lives up to everyone’s expectations.”

 

, who is best known as the ferocious young Arya Stark in , stole our hearts right before she skewered it with her sword. Now the actress will be crossing fandoms in an upcoming episode of . And she’s a little nervous about it.