Doctor Who: Twice Upon a Time
E784921
Doctor Who: Twice Upon a Time is the 2017 Christmas special of the long-running British sci-fi series Doctor Who, notable for featuring the First and Twelfth Doctors together and serving as Peter Capaldi’s final regular appearance in the role.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 2017 Doctor Who Christmas special | 1 |
| Doctor Who: "Twice Upon a Time" | 1 |
| Doctor Who: Twice Upon a Time canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9222467 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Doctor Who: Twice Upon a Time Context triple: [David Bradley, portrayedIn, Doctor Who: Twice Upon a Time]
-
A.
The Time of the Doctor
The Time of the Doctor is a 2013 Doctor Who Christmas special that serves as the Eleventh Doctor’s final episode, resolving long-running story arcs and introducing the Twelfth Doctor.
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B.
Doctor Who: The End of Time
Doctor Who: The End of Time is a two-part 2009–2010 Doctor Who television special that serves as the Tenth Doctor’s final story, featuring the return of the Time Lords and the climactic showdown with the Master.
-
C.
"The Day of the Doctor" (2013)
"The Day of the Doctor" (2013) is a special 50th-anniversary episode of the British science fiction series Doctor Who that unites multiple incarnations of the Doctor in a large-scale, time-bending adventure.
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D.
Doctor Who: Flux
Doctor Who: Flux is the thirteenth series of the long-running British science fiction television show Doctor Who, presented as a single serialized story arc featuring Jodie Whittaker as the Thirteenth Doctor.
-
E.
Doctor Who: Arc of Infinity
Doctor Who: Arc of Infinity is a 1983 serial from the long-running British science fiction television series Doctor Who, featuring the Fifth Doctor in a story set partly on the Time Lords’ home planet of Gallifrey.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Doctor Who: Twice Upon a Time Target entity description: Doctor Who: Twice Upon a Time is the 2017 Christmas special of the long-running British sci-fi series Doctor Who, notable for featuring the First and Twelfth Doctors together and serving as Peter Capaldi’s final regular appearance in the role.
-
A.
The Time of the Doctor
The Time of the Doctor is a 2013 Doctor Who Christmas special that serves as the Eleventh Doctor’s final episode, resolving long-running story arcs and introducing the Twelfth Doctor.
-
B.
Doctor Who: The End of Time
Doctor Who: The End of Time is a two-part 2009–2010 Doctor Who television special that serves as the Tenth Doctor’s final story, featuring the return of the Time Lords and the climactic showdown with the Master.
-
C.
"The Day of the Doctor" (2013)
"The Day of the Doctor" (2013) is a special 50th-anniversary episode of the British science fiction series Doctor Who that unites multiple incarnations of the Doctor in a large-scale, time-bending adventure.
-
D.
Doctor Who: Flux
Doctor Who: Flux is the thirteenth series of the long-running British science fiction television show Doctor Who, presented as a single serialized story arc featuring Jodie Whittaker as the Thirteenth Doctor.
-
E.
Doctor Who: Arc of Infinity
Doctor Who: Arc of Infinity is a 1983 serial from the long-running British science fiction television series Doctor Who, featuring the Fifth Doctor in a story set partly on the Time Lords’ home planet of Gallifrey.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
Christmas special
ⓘ
Doctor Who television episode ⓘ |
| airDate | 2017-12-25 ⓘ |
| basedOn | characters created by Sydney Newman ⓘ |
| chronologyPosition |
final televised story for the Twelfth Doctor
ⓘ
final televised story of the classic First Doctor incarnation ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| depicts | regeneration of the Twelfth Doctor into the Thirteenth Doctor ⓘ |
| director | Rachel Talalay ⓘ |
| featuresCharacter |
Bill Potts
ⓘ
Daleks ⓘ First Doctor ⓘ Rusty the Dalek ⓘ Testimony ⓘ The Captain ⓘ Thirteenth Doctor ⓘ Twelfth Doctor ⓘ |
| featuresTheme |
acceptance of change
ⓘ
memory and testimony ⓘ |
| filmingLocation | Cardiff ⓘ |
| follows | The Tenth Planet ⓘ |
| genre |
drama
ⓘ
science fiction ⓘ time travel television ⓘ |
| hasHomeMediaRelease |
Blu-ray
ⓘ
DVD ⓘ |
| language | English ⓘ |
| musicBy | Murray Gold ⓘ |
| notableFor |
final episode produced by Peter Capaldi era production team
ⓘ
final episode written by Steven Moffat as Doctor Who showrunner ⓘ final regular appearance of Peter Capaldi as the Doctor ⓘ first full appearance of Jodie Whittaker as the Doctor ⓘ |
| originalNetwork |
BBC America
ⓘ
BBC One ⓘ Space ⓘ |
| partOfSeries | Doctor Who ⓘ |
| precededBy | The Doctor Falls ⓘ |
| producer | Peter Bennett ⓘ |
| productionCompany |
BBC Wales
ⓘ
linked to:
BBC Cymru Wales
|
| releaseFormat | television broadcast ⓘ |
| runtime | approximately 60 minutes ⓘ |
| season | Christmas special between Series 10 and Series 11 ⓘ |
| setting |
First World War Christmas truce
ⓘ
South Pole ⓘ World War I ⓘ |
| showrunner | Steven Moffat ⓘ |
| stars |
David Bradley
ⓘ
Jodie Whittaker ⓘ Mark Gatiss ⓘ Pearl Mackie ⓘ Peter Capaldi ⓘ |
| writer | Steven Moffat ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Doctor Who: Twice Upon a Time Description of subject: Doctor Who: Twice Upon a Time is the 2017 Christmas special of the long-running British sci-fi series Doctor Who, notable for featuring the First and Twelfth Doctors together and serving as Peter Capaldi’s final regular appearance in the role.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Doctor Who: Twice Upon a Time
linked to: Doctor Who: Twice Upon a Time