Object

Steel Ventilation Duct (Skaro Caves)

Located in **Skaro’s toxic cave system**, serving as the group’s entry point into the caves. Unlike the detention room shaft, this duct is **claustrophobic and littered with Davros’s experiments**, amplifying Sarah’s fear and Harry’s unease as they crawl through it.

1 appearances

Purpose

Pathway connecting cave system to adjacent Kaled facilities

Significance

Entry point heightens the Doctor's manipulation of companions' fears, mirroring moral constraints of his Dalek-destroying mission and foreshadowing trust erosion.

Appearances in the Narrative

When this object appears and how it's used

1 moments

S12E14 · Genesis of the Daleks Part 4

The Doctor’s Calculated Silence: A Ventilation of Truths

The steel ventilation duct is the group’s destination and a claustrophobic transition point into the Kaled facility. Its narrow confines force close quarters, amplifying the tension as Sarah voices her fears about an ambush inside. The Doctor’s decision to send Harry in first—despite Sarah’s warnings—highlights the duct’s role as a symbolic threshold: crossing into it means committing to the mission’s dangers, regardless of the personal cost. The duct’s metallic, industrial design contrasts with the organic horrors of the caves, reinforcing the shift from natural to man-made (or mutant-made) threats.

Before: A narrow, dark passage integrated into the Kaled facility’s walls, humming with mechanical echoes and stale air. It is unoccupied but accessible via a hidden panel in the caves.

After: Now occupied by Harry, with the Doctor and Sarah preparing to follow. The duct’s interior is still unknown, but the group’s entry marks the beginning of their infiltration into the heart of Dalek territory.

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