Object

Bridge Containment Door (Sea Base Four)

Emergency barrier between command bridge and hazardous corridor systems aboard Sea Base Four

4 appearances

Appearances in the Narrative

When this object appears and how it's used

4 moments

The reinforced bridge door serves as the physical and emotional threshold between safety and danger for Tegan. The Doctor’s hand hovers near the control mechanism, ready to open it, while the door’s sturdy frame symbolically enforces the separation he deems necessary. Its slow movement contrasts with the urgency of the moment.

Before: Closed, sealing the bridge from the exterior with mechanical precision. The door’s reinforced frame is unyielding, designed to withstand external threats.

After: Opening slightly to allow the Doctor’s entry and the quick passage of a crewman, before closing again. Its sturdy nature ultimately fails to prevent a future breach by an unseen force.

View full event

S21E2 · Warriors of the Deep Part 2

Intruder slips past the Doctor

The reinforced bridge door serves as a critical access point to the Sea Base Four command module. The Doctor attempts to open it, but the door's swift closing action, after the Silurian intruder's emergence, momentarily traps the situation. Though physically solid, it fails functionally to exclude the infiltrator, creating a breach in the Doctor's planned entry strategy.

Before: Securely closed, intended to be opened and controlled by the Doctor.

After: Closed again, but compromised by the infiltrator's passage, reinforcing its status as a contested access point rather than a reliable barrier.

View full event

S21E12 · Resurrection of the Daleks Part 2

Turlough discovers Dalek gas victims

The reinforced door initially resists Turlough's entry attempt. He brutally forces it open by pressing buttons, overriding the mechanism to enter the chamber. The door's final closure traps him inside, completing the breach despite his effort to stop it.

Before: Sealed and resistant to unauthorized entry

After: Forcibly opened and latched shut behind Turlough

View full event

S21E21 · The Caves of Androzani Part 3

Stotz forces door access under threat

The sealed Bridge Command Door serves as the impassable barrier between Stotz and the bridge’s occupants, its metal frame shuddering under his relentless assaults. The door’s resistance symbolizes the standoff’s central conflict—Stotz’s brute force met with the Doctor’s defiance, each slam a reminder of the ticking clock as the ship plummets.

Before: Intact but showing signs of prior stress, locked from the interior.

After: Unbroken but dented from repeated impacts, groaning under pressure

View full event