South John Street Gallery as South John Street Gallery
The Sontaran army patrols through an open-air mall.
“Chapter Six: The Vanquishers” Filming Locations
The Doctor finds her attention split as the final Flux approaches.
Doctor Who episode “Chapter Six: The Vanquishers” was filmed in Liverpool & Cardiff in the United Kingdom.
Museum of Liverpool as Museum of Liverpool
The Sontaran army fills the plaza outside the museum and later Diane finds Dan giving another unofficial tour.
National Museum of Wales as Stairs inside the Passenger
Diane and Vinder race up the stairs to escape the Passenger and later return when the TARDIS arrives.
Barry Rail Yard as Train Yard
The Grand Serpent talks to Commander Stenck over hologram and then interrogates a prisoner about Kate Stewart's whereabouts.
Cathays Park 2 as Atropos
Swarm and Azure take the Doctor to Time for the final reckoning but are themselves destroyed after learning the final Flux failed.
6 Rosebery Place as Claire's House
The Doctor drops Claire and Kate Stewart back in their time.
Source: Cultbox
Gower Street (between Salthouse & Wapping) as Liverpool Docks
Dan is walking at night after being rejected by Diane when he finds Yaz and the Doctor waiting.