Object
TARDIS Fluid Link
A mercury-filled rod serving as a critical but replaceable hardware component of the TARDIS’s dematerialization circuit, distinct from diagnostic interfaces like the Fault Locator.
19 appearances
Purpose
Key TARDIS component enabling dematerialization; presented as proof of the ship's time-travel capabilities
Significance
Provides the Doctor bargaining leverage to stall Dalek genocide plans, hinges negotiations on Dalek curiosity about the TARDIS, interrupted by Thal intruders, underscoring desperate survival stakes
Appearances in the Narrative
When this object appears and how it's used