Object
TARDIS Standard Mechanical Door Key
A non-improvised, physical key designed for standard TARDIS door unlocking in non-crisis scenarios; part of the TARDIS’s operational inventory and distinct from emergency biometric systems.
14 appearances
Purpose
Unlock TARDIS doors for crew entry
Significance
Serves as a symbol of trust and deception: Liz steals it to aid the Doctor, enabling his escape bid that reveals TARDIS sabotage and forces a reluctant UNIT alliance. Marks Liz's allegiance shift from Brigadier to Doctor, heightening tensions over control and autonomy.
Appearances in the Narrative
When this object appears and how it's used