Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
The Fourth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Tom Baker.
The analysis highlights Science, Appearances and Development as prominent areas in the source structure around Fourth Doctor.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around Fourth Doctor shows recurring relationship patterns in the source. For example, Fourth Doctor → Anniversary Special, Awe, Babblesphere, Buda Castle, Casualties, Colophon, Crime, Daleks, Death, Death Match, DeathDestination Nerva, Deep, Destiny, Destroy, Destruction, Dethras, Doctor, Doctor Who, Draxx, E-Space Another extracted example is Fourth Doctor → Archival, Attic, Clara, Clara Oswald, Daleks, Death, Doctor, During, Earthshock, Eleventh Doctor, Eleventh Doctor's, Empire, Fear, Fifth Doctor, He, His, In, Mars, Mawdryn Undead, Missy's. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
doctor fourth baker time also tom series doctor's tardis stories season story planet baker's first death incarnation leela romana one
TTTA extracted 386 structured relationships around Fourth Doctor. Examples in this analysis include Fourth Doctor → Appearances → 41 stories (172 episodes) and Fourth Doctor → Chronology → Season 12 (1974–1975). The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Fourth Doctor | Appearances | 41 stories (172 episodes) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 12 (1974–1975) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 13 (1975–1976) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 14 (1976–1977) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 15 (1977–1978) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 16 (1978–1979) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 17 (1979–1980) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 18 (1980–1981) | 1.00 | infobox |
| Fourth Doctor | Chronology | Season 20 (1983) | 1.00 | infobox |
| Fourth Doctor | Companions | Sarah Jane Smith | 1.00 | infobox |
| Fourth Doctor | Companions | Harry Sullivan | 1.00 | infobox |
| Fourth Doctor | Companions | Leela | 1.00 | infobox |
| Fourth Doctor | Companions | K9 | 1.00 | infobox |
| Fourth Doctor | Companions | Romana | 1.00 | infobox |
| Fourth Doctor | Companions | Adric | 1.00 | infobox |
| Fourth Doctor | Companions | Nyssa | 1.00 | infobox |
| Fourth Doctor | Companions | Tegan Jovanka | 1.00 | infobox |
| Fourth Doctor | First regular appearance | Robot (1974–1975) | 1.00 | infobox |
| Fourth Doctor | Introduced by | Barry Letts | 1.00 | infobox |
| Fourth Doctor | Last regular appearance | Logopolis (1981) | 1.00 | infobox |
| Fourth Doctor | No of series | 7 | 1.00 | infobox |
| Fourth Doctor | Portrayed by | Tom Baker | 1.00 | infobox |
| Fourth Doctor | Preceded by | Jon Pertwee (Third Doctor) | 1.00 | infobox |
| Fourth Doctor | Succeeded by | Peter Davison (Fifth Doctor) | 1.00 | infobox |
| Fourth Doctor | Tenure | 28 December 1974 – 21 March 1981 | 1.00 | infobox |
| Fourth Doctor | is a | incarnation of the Doctor | 0.90 | text |
The concept neighborhoods around Fourth Doctor bring nearby vocabulary together. In this analysis, examples include Fourth, Doctor's and Also. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Fourth Doctor, one of the stronger structural bridges in this analysis connects Fourth Doctor with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Fourth Doctor to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Science, Appearances & Development, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Fourth Doctor · EN edition · Analysis: TopicsToTalkAbout