Third Doctor's Treaty Violation Scanner

Scanning device specifically used to detect treaty violations, emitting blue pulses and distinct from optical magnification tools

4 appearances

Purpose

Portable scanner used for technical analysis, data retrieval, and interface bypass of alien electronic systems

Significance

Elevates from functional scanning tool to political flashpoint when its analysis potentially exposes Federation treaty violations, escalating the confrontation between the Doctor, Eckersley, and Queen Thalira's court toward civil conflict over Peladon's sovereignty

Appearances in the Narrative

When this object appears and how it's used

4 moments

S11E15 · The Monster of Peladon Part 1

Doctor challenges Federation violence

The Doctor uses the tricorder in the Communications Room to scan communications frequencies and detect potential Federation treaty violations, which heightens Eckersley’s suspicion and escalates tensions.

Before: Inactive and in the Doctor’s possession; previously unknown to local officials.

After: Still in the Doctor’s possession after interrogation glances from Eckersley, now seen as a potential provocation in the tense royal court.

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S11E15 · The Monster of Peladon Part 1

Miners seize Federation armoury weapons

The Doctor’s tricorder is casually referenced as a scanning tool while the chaos unfolds in Communications Room, its presence highlighting Eckersley’s growing suspicion of unauthorized monitoring.

Before: In Doctor’s possession, inactive during crisis

After: Used to justify departure for Aggedor investigation, leaving Communications Room in turmoil

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S11E15 · The Monster of Peladon Part 1

Doctor warns Queen against executing rebels

The Doctor carries his Tricorder into the throne room, implicitly using it to analyze political and environmental data rather than technological. Eckersley suspects it of detecting Federation treaty violations, intensifying the atmosphere of surveillance and distrust.

Before: In the Doctor’s possession, scanning communications frequencies to gather intelligence.

After: Still in the Doctor’s hand as he exits with the Queen’s Champion, now repurposed for strategic insight rather than simple scanning.

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S11E15 · The Monster of Peladon Part 1

Queen grants Doctor investigation request

Briefly flashed to scan alliance forces and diplomacy before duty steals it toward the throne room. Within moments it becomes the Doctor’s portable credibility—his insistence on using alien tech to interrogate Aggedor’s illusions converting skepticism into a sanctioned investigation.

Before: Scanning Federation equipment in the communications room, its blue pulses ignored by harried bureaucrats

After: Packed away in the Doctor’s hand, poised to unveil trickery beneath Peladon’s sacred myths

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