Doctor Who
S17E22
· Shada Part 2

Doctor uncovers books temporal reversal

Clare presents the Doctor with the book’s radical findings from the physics lab experiments, revealing it possesses no detectable atomic structure and yields a carbon dating result of minus twenty thousand years old. As the Doctor processes Clare’s data he realizes the book’s anomalous properties violate every known law of matter and time, deducing it runs in reverse. Alarmed by its destabilizing temporal nature, he decides the artifact must be returned immediately to prevent catastrophic consequences if left in their possession or Skagra’s hands.

Plot Beats

The narrative micro-steps within this event

3

The Doctor and Clare discuss the book's unusual properties, specifically its lack of atomic structure and vast stored energy.

curiosity to intrigue

Clare reveals the results of the carbon dating test, showing the book is twenty thousand years old, with a surprising minus sign indicating time running backwards.

intrigue to astonishment

The Doctor realizes the book's extraordinary nature and decides to return it, recognizing its anomalous temporal status.

astonishment to determination

Who Was There

Characters present in this moment

2
The Fourth Doctor
Science Officer
 primary

Sardonically indifferent masking dawning horror once the paradox sinks in

The Doctor oscillates between playful quips and sudden comprehension, first deflecting Clare’s factual revelation with wit, then freezing mid-sentence as the implications strike him. His voice tightens as he intuits the book’s inverted timeframe, transitioning from bemusement to alarm in an instant.

Goals in this moment
  • • Evaluate the artifact’s properties before Skagra can exploit it further
  • • Formulate a plan to neutralize or contain the book’s temporal threat
Active beliefs
  • • Time Lords possess unique insight into temporal anomalies
  • • Abandoned Gallifreyan artifacts pose unpredictable dangers requiring swift containment
Character traits
Eccentric banter as veneer Quicksilver intellect Sudden shift to solemn decisiveness Responsibility-driven urgency
Follow The Fourth …'s journey
Clare Keightley
Material Analyst
 primary

Frustrated perplexity laced with determination to expose an unnatural truth

Clare stands firm after conducting rigorous scientific tests on the book, presenting irrefutable results that contradict all known laws of matter and chronology. She tears off the carbon dating printout with deliberate urgency, forcing the Doctor to confront an anomaly worthy of his expertise.

Goals in this moment
  • • Discover and communicate the true nature of the artifact based on scientific evidence
  • • Ensure the Doctor grasps the magnitude of what the data implies
Active beliefs
  • • Scientific method reveals objective reality regardless of supernatural claims
  • • The book’s properties demand immediate expert evaluation
Character traits
Meticulous Uncompromising Verbally precise Confused yet driven by empirical truth
Follow Clare Keightley's journey

Objects Involved

Significant items in this scene

1
Temporal Anomaly Findings Printout

The printout becomes the fulcrum of revelation when Clare tears it free from the CET machine’s output tray. It serves as the tangible evidence that collapses the Doctor’s initial theories and forces acknowledgment of temporal reversal. The paper’s anomalous lightness and shifting numerals underscore the impossibility of the data it bears.

Before: Freshly emerged from the CET machine, its data …
After: Crushed tightly in Clare’s grip and then thrust …
Before: Freshly emerged from the CET machine, its data dense but unread, the printout sits unexamined with raw experimental values still vivid.
After: Crushed tightly in Clare’s grip and then thrust at the Doctor, its red-inked anomaly now foregrounded. The artifact’s information has been weaponized to catalyze urgent action.

Location Details

Places and their significance in this event

1
Physics Laboratory

The physics lab becomes a crucible of intellectual collision, its batteries of machines juxtaposed against humankind’s fragile comprehension of time. Emergency lighting casts long shadows that mirror the yawning chasm between known science and Gallifreyan sorcery.

Atmosphere Electrified with tension as empirical certainty dissolves before an otherworldly paradox
Function Focused pressure cooker for scientific breakthrough and immediate decision-making under existential threat
Symbolism Represents humanity’s bold but insufficient tools in the face of timeless forces managed only by …
Access Restricted to lab personnel and invited experts during active experiments
Steel tables cluttered with abandoned notes and tools after prolonged testing Emergency lighting stripping color from the room, muting reactions to harsh truth

Narrative Connections

How this event relates to others in the story

What led here 6
Causal

"Parsons' discovery that the book is 'pure matter' leads directly to Clare's carbon dating revelation, as the Doctor's examination of the book's anomalous properties sets the stage for understanding its temporal anomalies."

Lab analysis reveals book anomaly
S17E22 · Shada Part 2
Causal

"Parsons' discovery that the book is 'pure matter' leads directly to Clare's carbon dating revelation, as the Doctor's examination of the book's anomalous properties sets the stage for understanding its temporal anomalies."

Clare insists on investigating the book
S17E22 · Shada Part 2
Escalation medium

"Clare's confusion about the book's meaning and her suggestion to ask Chronotis foreshadows the Doctor's later realization of the book's extraordinary nature, as his investigation in the physics lab escalates from curiosity to profound concern."

Doctor assesses lab after strange book incident
S17E22 · Shada Part 2
Escalation medium

"Clare's confusion about the book's meaning and her suggestion to ask Chronotis foreshadows the Doctor's later realization of the book's extraordinary nature, as his investigation in the physics lab escalates from curiosity to profound concern."

Doctor uncovers book's forbidden origins
S17E22 · Shada Part 2
Thematic Parallel medium

"The Doctor's investigation into the book's origin and composition parallels Clare's earlier discussion with Parsons, reinforcing the theme of uncovering hidden truths through both scientific and Time Lord methods."

Doctor assesses lab after strange book incident
S17E22 · Shada Part 2
Thematic Parallel medium

"The Doctor's investigation into the book's origin and composition parallels Clare's earlier discussion with Parsons, reinforcing the theme of uncovering hidden truths through both scientific and Time Lord methods."

Doctor uncovers book's forbidden origins
S17E22 · Shada Part 2

Themes This Exemplifies

Thematic resonance and meaning

Scientific Inquiry in Crisis
5
Clare Keightley represents the modern scientific mind—methodical, empirical, and deeply unsettled when confronted by anomalies that defy explanation. Her journey from detached analysis to urgent …
The Fragility of Knowledge
8
In this sequence, knowledge is inherently unstable and vulnerable, susceptible to corruption, loss, or violent extraction. Sacred texts like the Worshipful and Ancient Law of …

Part of Larger Arcs

Clare Keightley's professional and personal crisis as her scientific understanding is systematically undermined by the presence of a temporally unstable artifact that defies empirical investigation

Key Dialogue

"CLARE: It had no detectable atomic structure."
"DOCTOR: Never underestimate the obvious."
"CLARE: A minus sign? Minus twenty thousand years?"
"DOCTOR: Not only is this book not a book, but time is running backwards for it. I think I'd better return it as soon as possible, don't you?"