Third Doctor's Sabotaged UNIT Time-Investigation Lab Equipment

Specifically targeted tampering with temporal investigation equipment in the UNIT laboratory, contrasted with unrelated repair work in Peladion refinery.

4 appearances

Purpose

General scientific investigation and experimentation for the Doctor’s improvised research, particularly in analyzing temporal anomalies and external sabotage.

Significance

Central piece of evidence proving the conspiracy against the Doctor. Its tampering corroborates claims of deliberate interference with the Doctor’s research and ties directly to Yates’ admission of involvement. The object’s state makes it a physical manifestation of the plot’s escalating hostility.

Appearances in the Narrative

When this object appears and how it's used

4 moments

S11E7 · Invasion of the Dinosaurs Part 3

Doctor realizes Miss Smith is missing

The scattered makeshift equipment across the lab tables is the immediate target of the Doctor’s request for more supplies. Benton’s agreement to organise additional gear implies utilising or supplementing these existing tools to continue analyzing the temporal disruption.

Before: Already in use, sporadically functional with flickering monitors and loose wiring in the cluttered makeshift lab

After: Still incomplete and jury-rigged, awaiting new components to advance diagnostics

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S11E8 · Invasion of the Dinosaurs Part 4

Finch confronts UNIT over disasters

The Doctor’s sabotaged time-investigation apparatus is central to the confrontation, with Finch gripping its scorched housing during the argument, demonstrating both the conspiracy’s reach and the Doctor’s diagnostic revelation that it was deliberately tampered with.

Before: Operational in conducting temporal experiments within the makeshift lab, though recently sabotaged

After: Still in damaged condition, its role in the confrontation underscoring the extent of institutional betrayal

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S11E8 · Invasion of the Dinosaurs Part 4

Doctor reveals conspiracy plan to Brigadier

The Doctor’s sabotaged time-investigation apparatus is openly accused of being tampered with by Yates and the Doctor himself. This object shifts from a tool of inquiry to a primary exhibit in the conspiracy, with Yates admitting partial responsibility while denying murder.

Before: Functioning but mistrusted equipment in the makeshift lab, used for temporal experiments

After: Confirmed tampered with and partially disabled, with Yates’s complicity confirmed

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S11E8 · Invasion of the Dinosaurs Part 4

Yates admits sabotage denies murder

The Doctor cites the sabotaged apparatus as definitive proof of intentional interference in his experiments, revealing spliced wiring and malfunctioning components. Finch’s defensive grip on the device during confrontation underscores its role as a tangible artifact of conspiracy, central to the Doctor’s accusations and Yates’s partial admission.

Before: Flawed but functional makeshift tool of temporal analysis, initially assembled from salvaged components.

After: Confirmed as tampered with, its compromised state exposed publicly during the confrontation.

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