Object

Portable Mu-Field Activator (from ship's stores)

Retrieved by Turlough from TARDIS stores to correct lighting conditions in the medical bay of Frontios Colony

10 appearances

Appearances in the Narrative

When this object appears and how it's used

10 moments

Doctor demands critical supplies for medical care

The portable mu-field activator is immediately identified as critical medical equipment required to improve lighting conditions in the primitive medical centre. The Doctor demands its retrieval from the TARDIS as an essential resource for proper triage operations, treating it with urgency despite the colony's inadequate facilities.

Before: Stored in the TARDIS in stand-by mode, ready for extraction but not currently powering or illuminating any systems

After: Retrieved and in motion toward the medical centre, about to be activated to provide superior lighting for medical treatment

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S21E7 · Frontios Part 1

Medical staff rally under crisis

The Doctor urgently orders the portable mu-field activator from the TARDIS as part of his demand for proper lighting, signaling a shift from conventional reliance to advanced technology. This act immediately asserts his authority and introduces hope of improved conditions.

Before: Stored safely aboard the TARDIS, awaiting retrieval

After: Summoned to the medical centre, now active and enabling better lighting

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S21E7 · Frontios Part 1

Doctor seizes control in medical crisis

The portable mu-field activator is requested by the Doctor and will be retrieved from the TARDIS by Turlough. This alien device represents a critical leap in capability, intended to correct the medical centre’s inadequate lighting and improve surgical conditions, marking the first overt technological interference.

Before: Stored in the TARDIS, unused by Frontios colony.

After: Retrieved from TARDIS and in transit to the medical centre.

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S21E7 · Frontios Part 1

Doctor demands proper lighting setup

The portable mu-field activator is summoned from the TARDIS by Turlough upon the Doctor’s request. Though not yet activated in this segment, its mention sets in motion the acquisition of superior lighting technology, directly challenging the colony’s insufficient resources.

Before: Stored in the TARDIS, untouched

After: Retrieved by Turlough for imminent deployment under the Doctor’s guidance

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S21E7 · Frontios Part 1

Acid jar sparks TARDIS repair plan

The mu-field activator is identified by the Doctor as the device requiring a stable voltage to function, driving the mission to locate a power source. Its absence in the medical centre signals the need for a perilous retrieval attempt in the sealed research room, linking the colony’s survival directly to this piece of TARDIS equipment.

Before: Unknown to the colonists, stored in the TARDIS behind the jammed interior door, functional but inaccessible

After: Still inaccessible, heightening the urgency of the retrieval mission

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S21E7 · Frontios Part 1

Weighing risky TARDIS repair options

The Doctor demands the mu-field activator’s retrieval despite the jammed TARDIS door blocking access. Turlough confirms its location behind the door, emphasizing the immediate need to bypass the spatial anomaly. The object symbolizes both advanced technology’s limitations and the desperation to restore it as a lifeline.

Before: Stored behind the jammed TARDIS interior door, inaccessible due to spatial distortion

After: Still blocked by the door, its retrieval deferred but prioritized as the group pivots to colonial alternatives

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S21E7 · Frontios Part 1

Acid jar mission proposed and launched

The mu-field activator is mentioned as a TARDIS device trapped behind the jammed interior door, essential for escape power but currently unattainable. Its absence forces the team to consider alternative energy solutions.

Before: Secured behind the distorted TARDIS door, inaccessible due to a spatial anomaly.

After: Still unattainable, intensifying the need for an external power source.

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S21E7 · Frontios Part 1

Comrades carry stolen power through bombardment

The Doctor urgently identifies this TARDIS component as essential for lighting repairs. He signals its importance but defers its retrieval when confronted with the immediate crisis of the injured orderly and the need to transport the salvaged acid battery to safety.

Before: Stored in the TARDIS console room, inaccessible due to lack of progress in retrieving it

After: Remains inaccessible as the crew prioritizes sheltering under bombardment

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S21E7 · Frontios Part 1

Colony guards find wounded Warnsman

The Doctor’s critical request for the mu-field activator cannot be fulfilled by Tegan, as companions were unable to retrieve it beyond the TARDIS console room. This lack cripples their immediate options, reducing the Doctor’s ability to negotiate or depart.

Before: Unretrievable beyond the TARDIS console room, leaving it isolated and unused

After: Remains unreachable under meteorite bombardment, making it functionally useless during the crisis

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S21E7 · Frontios Part 1

Meteorite strike amplifies accusations against the Doctor

The TARDIS mu-field activator is sought by Tegan, who informs the Doctor it could not be retrieved beyond the console room. Its absence underscores the colony’s technological fragility and the Doctor’s constrained ability to assist quickly.

Before: Stuck in the TARDIS console room due to landing damage and emergency lockdown

After: Still unavailable, highlighting escalating systemic failure

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