Plaster Cast of Giant Tooth Impressions

The plaster cast forms a rigid negative mold of twin horn-like impressions from the Prince Charlie rig wreckage. Constructed from coarse white gypsum powder mixed with water and quickly poured into the depressions in the mangled steel, it captures grotesque details of uneven, jagged molars nearly six inches wide. The brittle model bears the Doctor’s careful fingerprints along its edges where he handled it during extraction. Benton carries it between scenes in a padded leather case, its surface marred by microscopic dust from the oil rig site. The material appears roughly organic at times, causing discomfort to witnesses.

3 appearances

Purpose

Preserve forensic evidence of biological damage to steel infrastructure for later analysis and species identification

Significance

Concrete proof of an unidentified giant creature's attack on human technology, forcing the team to abandon theories of industrial sabotage and pursue an entirely new class of existential threat

Appearances in the Narrative

When this object appears and how it's used

3 moments

S13E1 · Terror of the Zygons Part 1

Doctor examines rig wreckage after explosion

Plaster of Paris is identified by the Doctor as the necessary tool to preserve the forensic details of the concrete fragment's unnatural markings. Its retrieval from the sickbay initiates the process of capturing and stabilizing crucial evidence.

Before: Stored medical supply in the sickbay, part of routine UNIT inventory

After: Successfully retrieved, en route for forensic application to the concrete fragment

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S13E1 · Terror of the Zygons Part 1

Doctor reveals evidence of giant teeth

Plaster of Paris itself serves as the transformative medium, mixed and poured at the disaster site to capture the precise contours of the monstrous indentations. Its rapid hardening properties preserve the threat's ephemeral evidence, turning industrial corruption into a permanent artifact that will change the course of the investigation.

Before: Dry powder stored as standard field equipment, combined with water to form liquid slurry at the rig disaster site

After: Hardened into a preserved cast containing the monstrous truth, now handled by the Doctor as definitive proof

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S13E1 · Terror of the Zygons Part 1

Brigadier names the sea monster threat

The hardened plaster cast is extracted from the molds and held aloft by the Doctor, serving as irrefutable physical evidence of a monstrous presence. Its grotesque dual horn-like shape becomes the focal point of the revelation, allowing the team to visualize the predatory entity responsible for the rig wreckage. The fragile object’s presence transforms abstract disaster into concrete threat.

Before: A brittle white mold freshly extracted from the rig site depressions and partially packed in gypsum powder, in the Doctor’s possession

After: A fully exposed, jagged-edged cast displayed prominently, held by the Doctor as the centerpiece of the conversation and evidence of supernatural violence

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