The Doctor (Doctor Who) footage. Tom Baker did reappear, but as "the Curator", an ambiguously different character who he was not credited for playing. A voice actor, John Guilor, recorded a line of audio impersonating the First Doctor, for which he was credited as "Voice Over Artist". In other multi-Doctor stories, the multiple actors are all credited as "The Doctor", the exception being "The Three Doctors" (1972–73), which credited William Hartnell, Patrick Troughton and Jon Pertwee as "Doctor Who" as the 1972 serial preceded the practice of crediting the character as "The Doctor". In "Human Nature" (2007), the plot involves the Tenth Doctor altering
Space and Time (Doctor Who) the screen. The mini-episodes received mixed reviews; some scenes were thought to be funny, but other jokes were criticised for relying on sexist humour. "Space" and "Time" were later released on the DVD and Blu-ray sets of the sixth series. Amy Pond (Karen Gillan) is trying to get the Doctor's (Matt Smith) attention while he fixes the TARDIS. She discovers that her husband Rory (Arthur Darvill) is helping the Doctor by installing thermal couplings underneath the glass floor of the TARDIS. Rory and Amy then start a small argument about Amy cheating when she took her driving test, when the