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Object
Object

TARDIS Control Room Door (with Locking Bar Mechanism)

The reinforced main door to the TARDIS control room, featuring a steel locking bar that slides into place to create a tactical barrier. This locking mechanism is a critical security feature that the Doctor and Leela engage under pressure, disabling nearby reset components to reinforce the door against Sontaran intrusion. The elaborate door system combines visual access denial with physical reinforcement, with the locking bar's metallic groan serving as an audible confirmation of security activation. Despite its age and constant use, the mechanism holds long enough to allow focused tactical maneuvers, though the Sontarans ultimately exploit an alternative glass-panel entrance nearby.
5 appearances

Appearances in the Narrative

When this object appears and how it's used

5 moments
S15E18 · Underworld Part 2
Bulkhead door seals Herrick and Jackson

The bulkhead door acts as a sudden, mechanical divide between Jackson and Herrick, its massive weight amplifying the tunnel’s hostility. Previously open, it now bisects their space, transferring from neutral infrastructure to an active barrier. Its status shifts from corridor fixture to oppressive obstacle, rendering Jackson’s shouts futile and plunging Herrick into darkness.

Before: A closed but functional bulkhead door within the tunnel corridor, presumably passable without obstruction.
After: A heavy, industrial barrier forcibly separated the crewmates, sealing Herrick off from Jackson’s voice and visibility with a resounding metallic crash.
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S15E19 · Underworld Part 3
Doctor stops gas to reveal Herrick

The corroded bulkhead door absorbs the Minyans’ controlled explosives, collapsing inward to reveal Herrick among the slaves. Its brutal closure earlier had sealed fate, but demolition transforms it into a gateway of hope or deception.

Before: Shut with finality, blocking passage between Herrick’s group and Jackson’s team, its corrosion scars reflecting prolonged danger
After: Ruptured and dislodged, its metal panels twisted open to expose the hidden chamber and its occupants
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S15E26 · The Invasion of Time Part 6
Sontarans seal the sickbay trap

The TARDIS control room door is initially used by the Doctor to secure the sickbay entrance, its locking mechanism intended to buy time against Sontaran pursuit. The metal door’s resistance is quickly negated when Stor shatters the adjacent glass panel and kicks the frame open. The door’s structural role shifts from barrier to irrelevance within moments.

Before: Bolted shut by Andred, forming a reinforced barrier intended to delay Sontaran forces.
After: Forced open by Stor’s entry attempt, the door frame compromised but still hanging. The locking mechanism rendered inert by the Sontaran breach.
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S15E26 · The Invasion of Time Part 6
Leela and Andred part company

The control room door in the sickbay entrance is initially locked by Andred under Doctor’s orders, but Stor’s brutal breach with his fist and subsequent weapon discharge shatter the glass panel, rendering the barrier ineffective and opening the way for Sontaran incursion.

Before: Secured and locked by Andred under Doctor's hasty order
After: Shattered glass panel, door frame damaged, no longer a functional barrier
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S15E26 · The Invasion of Time Part 6
Doctor and Leela fortify TARDIS control

The TARDIS control room door transforms from a standard entranceway into a critical defensive barrier during the Sontaran incursion. Leela secures it with a thick, iron bar that instantly transforms the portal into an immovable obstacle, buying vital seconds by halting pursuit and blocking unwanted access to the control hub where the Doctor works to lock down the ship’s systems.

Before: A hinged but otherwise standard door, unlocked and unsecured, allowing routine movement between corridors and the control room.
After: A barricaded door rendered impassable from the outside, with the bar firmly in place and the locking mechanism engaged by Leela’s decisive action.
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