Object

Transmat-Capsule Temporal Homing Mechanism

A hand-wired device embedded in the transmat capsule's alignment system to facilitate temporal-safe teleportation of a specific individual.

4 appearances

Appearances in the Narrative

When this object appears and how it's used

4 moments

S20E11 · Mawdryn Undead Part 3

Brigadier presents plan to fix homing device

The storage box of circuit boards opens to release the homing device, stale air and old insulation scent rising like ghosts from decades past. Its metal interior glints with the faint glow of emergency lighting, framing the object’s extraction as both ritual and rescue.

Before: Contained worn circuit boards and wires, serving as archive and reliquary for the Brigadier’s scattered memories

After: Open and disturbed, its contents disturbed, the box now a temporary repository before the device’s extraction

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S20E12 · Mawdryn Undead Part 4

Doctor resolves Brigadier paradox with Turlough's help

The Brigadier's homing device is embedded in the transmat capsule’s alignment system, enabling the transmat beam to lock onto the exact center of the TARDIS in 1983. Hand-wired by the Doctor, it represents the nexus of temporal mechanics in this crisis. Its silent operation reflects the Doctor’s trust in his own craftsmanship.

Before: Dormant or malfunctioning according to Turlough's assertion, later validated as functional by the Doctor

After: Functioning perfectly, guiding the capsule to the TARDIS center

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S20E12 · Mawdryn Undead Part 4

Nyssa exposes Mawdryn’s betrayal to the crew

The Brigadier 1977 exploits the TARDIS homing device as a means of temporal escape, removing it from the transmat console to avoid his 1983 counterpart. The device's removal introduces a temporal instability that exacerbates the crisis.

Before: Secured within the transmat console, part of the TARDIS's stabilization systems.

After: Removed and in the Brigadier's possession, disrupting chronological integrity.

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S20E12 · Mawdryn Undead Part 4

Doctor pledges to save companions at great cost

The Brigadier 1977 removes the homing device from the transmat console during a lull in the crisis, quietly altering the TARDIS’s future transmat alignment unbeknownst to others in the room. This small act allows the paradox resolution later despite being a seemingly minor intervention.

Before: Embedded within the transmat console’s alignment system as a critical temporal mechanism.

After: Removed from the console and taken out into the ship, physically held by the 1977 Brigadier as an unrecognized but vital tool.

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