- You may wish to consult
Mystery (disambiguation)for other, similarly-named pages.
A mystery was an unsolved secret.
Michael Jennings liked to solve mysteries. (AUDIO: The Curious Incident of the Doctor in the Night-Time) The disappearance of the Old Ones was ranked by the Time Lords as the sixth greatest mystery in the universe. (PROSE: Tomb of Valdemar)
Mystery was also a genre of fiction. Fox Soames was a mystery writer in the early 20th century. (PROSE: Mad Dogs and Englishmen) The Brenda and Effie series was a series of mystery novels by Paul Magrs. (PROSE: The Story of Fester Cat)
The Tenth Doctor claimed that he and Donna Noble solved the mystery of Agatha Christie, by finding out the real circumstances to why she disappeared and was later found with amnesia. (TV: The Unicorn and the Wasp [+]Gareth Roberts, Doctor Who series 4 (BBC One, 2008).)
Anahson described the Doctor as not being able to resist a mystery. (TV: Face the Raven [+]Sarah Dollard, Doctor Who series 9 (BBC One, 2015).)
The Fifteenth Doctor described Susan Triad and Ruby Sunday as both being mystery women. The first was because Susan's face kept appearing on that of other individuals he and Ruby had seen during their travels throughout time and space, the latter because Ruby had been mysteriously abandoned following her birth and there seemed to be no trace of her mother. (TV: The Legend of Ruby Sunday [+]Russell T Davies, Doctor Who series 14 (BBC One and Disney+, 2024).)
When the Fifteenth Doctor visited the Time Hotel, he learned that it possessed doors which served as time portals to various points in history, such as ancient Rome or the fall of Troy. He stated that it solved the biggest mystery in the known universe, why it was that there was always an extra door in your hotel room that was always locked. (TV: Joy to the World [+]Steven Moffat, Doctor Who Christmas Special 2024 (BBC One and Disney+, 2024).)