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Season guide

Doctor Who: Series 12

10 episodes Premiered Jan 1, 2020 Updated Oct 3, 2026

Role: Meticulous television and film archivist. Task: Produce a JSON object for "Doctor Who" Season 12. Constraints: Use ONLY provided SYNOPSIS and SOURCES. No invented/guessed titles, names, dates, etc. If not in material, omit. Style: Original, neutral, encyclopedic prose, plain text (no markdown/asterisks/headings/bullets in the text itself, though the JSON structure requires arrays). Output: Valid JSON only. JSON

Previously on Doctor Who

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Doctor Who Season 11.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Doctor Who" Season 12.
Constraints:
Use ONLY provided SYNOPSIS and SOURCES.
No invented/guessed titles, names, dates, etc.
If not in material, omit.
Style: Original, neutral, encyclopedic prose, plain text (no markdown/asterisks/headings/bullets in the text itself, though the JSON structure requires arrays).
Output: Valid JSON only.
JSON Keys:
overview: Factual 160-220 word summary of the season's narrative arc.
primer: Array of exactly 4 concise bullet points (summarizing lore/characters/stakes).
TMDB Season Synopsis:
Series follows Thirteenth Doctor and companions.
New incarnation of the Master.
Master's destruction of Gallifrey.
Return of Jack Harkness.
Appearance of an unknown incarnation of the Doctor.
Cybermen.
Secret of the "Timeless Child".
Jodie Whittaker returns as Thirteenth Doctor.
Companions: Bradley Walsh (Graham O'Brien), Tosin Cole (Ryan Sinclair), Mandip Gill (Yasmin Khan).
Source [1]: Doctor is a Time Lord, 900 year old alien with 2 hearts, part of a gifted civilization that mastered time travel.
Source [3]: 2005 revival is a direct plot continuation of the 1963-1989 series and 1996 film.
Source [5]: Doctor saves planets for a living/hobby.
Overview Construction:
Goal: 160-220 words.
Content: Thirteenth Doctor (Jodie Whittaker) travels with companions Graham O'Brien (Bradley Walsh), Ryan Sinclair (Tosin Cole), and Yasmin Khan (Mandip Gill). The season involves meeting a new incarnation of the Master, who is responsible for the destruction of Gallifrey. Other significant events include the return of Jack Harkness and the appearance of an unknown incarnation of the Doctor. The narrative also features the Cybermen and explores the secret of the Timeless Child. The Doctor is a Time Lord, a 900 year old alien with two hearts from a civilization that mastered time travel.
Drafting:
Jodie Whittaker returns for her second series as the Thirteenth Doctor, traveling alongside her companions Graham O

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Season 12 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 12 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

40%
60%
Mytharc (4): Crucial lore & season climaxes
Core (6): Character development & subplots
Side Quest (0): Standalone / filler
S12·E1 Mytharc

Spyfall (1)

Jan 1, 2020 · 60 min

When intelligence agents around the world come under attack from alien forces, MI6 turns to the only person who can help- a certain Doctor and her companions. As they travel the gl

S12·E2 Core

Spyfall (2)

Jan 5, 2020 · 61 min

In part two of this epic spy thriller, a terrifying plan to destroy humanity is about to reach fruition. Can the Doctor and her friends escape multiple traps and defeat a deadly al

S12·E3 Core

Orphan 55

Jan 12, 2020 · 47 min

The Doctor and her friends discover that the luxury resort where they are holidaying is hiding a number of deadly secrets. What are the ferocious monsters attacking Tranquillity Sp

S12·E4 Core

Nikola Tesla's Night of Terror

Jan 19, 2020 · 51 min

1903. On the edge of Niagara Falls, something is wrong at Nikola Tesla’s generator plant. Who or what is sabotaging the maverick inventor’s work? Has he really received a message f

S12·E5 Mytharc

Fugitive of the Judoon

Jan 26, 2020 · 50 min

Ko Sho Blo! Trigger-happy space police the Judoon are targeting 21st-century Gloucester. The Doctor, Yaz, Ryan and Graham race back to Earth in order to prevent them doing too much

S12·E6 Core

Praxeus

Feb 2, 2020 · 50 min

The mysterious “Praxeus” will cause the quartet to split up (never a good idea) to investigate mysteries all over Earth. And what they find will threaten all human life (again).

S12·E7 Core

Can You Hear Me?

Feb 9, 2020 · 50 min

As Graham, Yaz and Ryan return home to see friends and family, they find themselves haunted by very different experiences. Who is the figure calling from beyond the stars for help,

S12·E8 Core

The Haunting of Villa Diodati

Feb 16, 2020 · 50 min

Lake Geneva, 1816. Lord Byron and the Shelleys prepare for a night telling ghost stories, but their villa proves to have ghostly presences all its own.

S12·E9 Mytharc

Ascension of the Cybermen (1)

Feb 23, 2020 · 50 min

In the far future, the Doctor and her friends face a brutal battle across the farthest reaches of space to protect the last of the human race against the deadly Cybermen.

S12·E10 Mytharc

The Timeless Children (2)

Mar 1, 2020 · 66 min

The Cybermen are on the march. The last remaining humans are hunted down. Lies are exposed, truths are revealed, and for the Doctor nothing will ever be the same.

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