Fabula
Object
Object

Airlock Entrance to R1C (with Concretion Layer)

The airlock entrance to R1C, a degraded environmental portal controlling access to the sealed containment zone. Its heavy metal door frames warn of impending structural failure with glowing amber indicators. The corroded outer concretion layer peels away like decaying flesh under pressure, exposing breached chambers beneath. The Doctor shouts warnings ('Get down') as R1C forces advance, forcing Leela and Jackson’s crew to flatten against the contaminated surface. Its decayed state visually underscores the Doctor’s moral reckoning with the Oracle’s hidden design, serving as both a literal and symbolic point of collapse between worlds.
2 appearances

Appearances in the Narrative

When this object appears and how it's used

2 moments
S15E18 · Underworld Part 2
Fugitives hide inside mine cart

Though Idas only passes by the airlock entrance to R1C, its presence becomes narratively significant as a potential sanctuary. His flight into it triggers a chain reaction: the guards abandon pursuit to seal tunnels, and Rask’s order to fumigate tunnel nine makes it a condemned space within moments.

Before: Sealed and pressurized, accessible via heavy metal door with amber warning lights indicating restricted use
After: Still sealed, but now targeted for elimination via fumigation protocols, turning it into a deathtrap
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S15E20 · Underworld Part 4
Doctor shouts cover as airlock breaches

The airlock entrance’s corrosion accelerates as the R1C breaches its sealed layers, peeling the concretion like decaying flesh and revealing the hidden construct within. Its structural failure becomes the immediate hazard dictating the group’s need for cover.

Before: Corroded and sealed, holding corrosive atmosphere and pressure at bay despite its deteriorated state.
After: Compromised integrity, failing seals emitting a hazardous mix of corrosive atmosphere and alloy dust, rendering it a death trap unless avoided.
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