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Character
Sergeant
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Sergeant (Access Control Bridge)

disciplined obedient stoic authoritarian
Responsible for access control and bridge monitoring aboard Sea Base Four
7 appearances
Military Operations
Also known as: the Sergeant

Sergeant (Access …'s Journey

A timeline through the narrative

7 moments
Season 20 (5) Season 21 (2)
S20E23 · The Five Doctors Part 1
Shared whisky and old regrets

Slightly flustered by the interruption’s necessity but resolute in carrying out protocol

The Sergeant’s interruption arrives with practiced apology but decisive interruption, summoning institutional obligation over personal comfort. His voice represents UNIT’s rigid chain of command intruding upon a private moment, forcing …

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S20E23 · The Five Doctors Part 1
Intercom announces unannounced visitor

Professional urgency tinged with brief apology

The Sergeant, though unseen, becomes the catalyst for the event’s disruption. His voice cuts through the quiet office with an urgent announcement, reflecting his role as the institutional voice enforcing …

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S20E23 · The Five Doctors Part 1
Second Doctor overrules the Sergeant

Frustration tempered by duty-bound obedience to protocol

Blocking the Doctor's path with rigid military posture, the Sergeant delivers institutional refusal with practiced professionalism, his body language combining apology with unyielding boundary enforcement in equal measure.

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S20E23 · The Five Doctors Part 1
Second Doctor stuns Brigadier with surprise arrival

Bewildered yet dutiful, caught between protocol and an inexplicable situation

The Sergeant acts as a gatekeeper, attempting to apprehend the Doctor by seizing his coat during entry. He performs his duty with procedural vigilance, though his protest is subdued once …

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S20E23 · The Five Doctors Part 1
Brigadier introduces Colonel Crichton to the Doctor

Obedient anxiety masking confusion at the violation of routine

He attempts to detain the Second Doctor physically, seizes his coat, then hangs it neatly only to later re-enter and seek confirmation that all is well.

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Affiliations

UNIT (United Nations Intelligence Taskforce)
employee
Global Advanced Technological Crisis Response and Covert Military Scientific Operations

Sergeant operates as a frontline guardian of UNIT HQ's operational security, controlling access to high-level personnel and maintaining order, which indicates he is an employee of UNIT.

Station Crew of the Earth Space Station
employee
Orbital Defense and Station Security Operations

The Sergeant's role in access control and bridge monitoring aboard Sea Base Four aligns with the operational needs of the Station Crew of the Earth Space Station.

Across the Seasons

How this character reads at season scale

Season 21 · planet

Responsible for access control and bridge monitoring aboard Sea Base Four