Object

Great Intelligence's Fungal Growth

A large-scale, sentient fungal barrier controlled by the Great Intelligence, forming dense blockages in the London Underground (e.g., sealing the Central Line near Holborn). Acts as a primary obstacle and antagonist element, with the capacity to anticipate and react to character movements. Serves as a plot driver across multiple episodes, forcing military retreat and shaping character decisions.
13 appearances

Purpose

Spread through tunnels to block escape routes and isolate groups

Significance

Shuts down Central Line at Holborn, compels Colonel Lethbridge-Stewart to reroute via Piccadilly Line through Tottenham Court Road and Leicester Square, reveals Great Intelligence's strategic foresight via Knight and Arnold's reports, supplies Doctor with sample to analyze and counter the threat, heightens military desperation and scientific urgency.

Appearances in the Narrative

When this object appears and how it's used

13 moments