Filming Inside The Vault (documentary)
From Tardis Wiki, the free Doctor Who reference
Filming Inside The Vault was a documentary detailing Series 10. It was part of a series of documentaries about series 10 of Doctor Who.
Main subject
Peter talks filming inside the Vault and what a challenge it was due to the location they filmed at being really cold, and that they asked for gas heaters to keep warm, and he had a laugh at the fact they were left in the shot at the end.