Object
Doctor's TARDIS Dematerialization Bypass Circuit (UNIT Lab-Modified)
A one-off, non-sentient modification to the TARDIS console, constructed in the UNIT laboratory during the Doctor's exile in Colony In Space Part 1. Its function is explicitly limited to overriding Time Lord restrictions on autonomous dematerialization for a single episode.
3 appearances
Purpose
Initiates TARDIS dematerialization while evading Time Lord restrictions
Significance
Embodies the Doctor's rebellion against exile; his secret completion marks technical victory over Gallifrey's leash, fueling Jo's initiation into his world and the forced mission to Uxarieus
Appearances in the Narrative
When this object appears and how it's used