Nu Boyana Film Studios as New York Street
Grant Gordon nannies for Lucy Fletcher while moonlighting as a superhero.
“The Return of Doctor Mysterio” Filming Locations
The Doctor visits a young man who he accidentally gave superpowers as a child and they uncover a conspiracy against the Earth.
Doctor Who special “The Return of Doctor Mysterio” was filmed in Sofia in Bulgaria and Cardiff in the United Kingdom.
Royal Welsh College of Music and Drama as Harmony Shoal
Lucy Fletcher infiltrates the offices of Harmony Shoal to find out what they are hiding and runs into the Doctor.