The Doctor, Bill and Nardole join two Masters on the 507th of the Mondassian colony ship to make a last stand against the Cyberman army.
My co-host this week is Chris Newman, on Twitter as @KosmicKris.
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The John Simm quotes about playing the Master differently can be found here.
Reactions from some of the other Trap One co-hosts:
The trailer for Wimbledon that played on BBC1 right after The Doctor Falls features the TARDIS at what seems to be Surprise View in the Lake District.
We had a wedding photo taken here, just to the left of where the TARDIS stands.