Peter and Pearl Introduce Knock Knock (documentary)

Peter and Pearl Introduce Knock Knock was a documentary detailing Series 10. It was part of a series of documentaries about series 10 of Doctor Who.

Main subject
Peter and Pearl talks about the fourth episode of Series 10, Knock Knock, and discuss how an innocent attempt at living in a rented house turns into horror, as well as a wonderful performance by David Suchet, saying it's a true scary story that will make people hide behind the sofa.

People interviewed

 * Peter Capaldi
 * Peark Mackie