Fabula
Object
Object

Dalek Seismic Detectors

An active seismic scanning device mounted on Dalek casings (Dalek 1 and Dalek 2), used to detect seismic vibrations (e.g., underground tremors) and confirm the presence or absence of hidden targets like the TARDIS crew. Operated during the cave standoff in Episodes 31 and 35.
3 appearances

Purpose

Scan seismic vibrations to detect and confirm presence or absence of hidden targets like the TARDIS crew through cave walls and planet surfaces

Significance

Confirms the crew's escape, shifting Daleks from passive scanning to active mobilization—including electrode unit retrieval—for direct assault as the crew reaches Mechanus city

Appearances in the Narrative

When this object appears and how it's used

3 moments
S2E31 · The Death of Time
Daleks declare extermination order

The Dalek seismic detectors are central to this event, as they are used to scan the planet's surface for vibrations that could reveal the TARDIS's location. Dalek 2 and Dalek 1 coordinate their use, emphasizing the urgency and precision of their search. The detectors symbolize the Daleks' technological superiority and their relentless, methodical approach to hunting down their targets. Their pulsing screens and ominous hum create a sense of impending doom, reinforcing the high stakes of the Doctor and Barbara's situation.

Before: The seismic detectors are active and fully operational, mounted on the Daleks' casings and scanning the terrain for signs of the TARDIS and human life signs. They are in the hands of Dalek 2 and Dalek 1, who are using them to direct the search.
After: The seismic detectors remain active, continuing to pulse as they track vibrations across the planet's surface. Their use is now fully integrated into the Daleks' coordinated hunt, with Dalek 2 and Dalek 1 issuing extermination orders based on the data they provide.
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S2E31 · The Death of Time
Daleks exploit Aridians for TARDIS excavation

The seismic detector is the critical tool that enables the Daleks to pinpoint the TARDIS's location beneath the planet's surface. Its pulsing screens and precise readings confirm the time machine's burial site, providing the Daleks with the tactical advantage they need to devise their ruthless plan. The device symbolizes the Daleks' technological superiority and their relentless pursuit of their enemies, as it transforms an abstract threat into a tangible target for destruction. Its role in this event is purely functional but devastating in its implications for the Aridians and the Doctor's mission.

Before: Operational and actively scanning the planet's surface for vibrations and anomalies, including the TARDIS's buried location.
After: Continues to function as the Daleks use its data to coordinate the capture of Aridians and the excavation of the TARDIS.
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S2E35 · The Planet of Decision
Daleks detect escape and mobilize pursuit

The seismic detector, mounted on Dalek 1 and Dalek 2, is used to penetrate the cave wall and confirm the TARDIS crew's escape. Its pulsing screens display underground tremors, revealing the absence of the humans. This device is critical in escalating the Daleks' pursuit, as it provides concrete evidence of the crew's evasion and prompts the retrieval of the electrode unit. The seismic detector symbolizes the Daleks' relentless and technologically advanced approach to tracking their prey.

Before: Mounted on Dalek 1 and Dalek 2, ready to scan the cave wall for vibrations.
After: Deployed and used to confirm the TARDIS crew's escape, leading to the escalation of the Daleks' pursuit.
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