Object

Central Control Computer

The primary monitoring and control system for the UNIT nuclear drilling project, located in Central Control. This computer displays real-time drilling progress, issues catastrophic warnings, and manages shutdown countdowns. During the crisis, it flickers with urgent alerts as Liz Shaw verifies the Doctor's warnings, while Stahlman and Gold ignore its signals. The Doctor and Greg Sutton interact with its systems in the Drill Head, where sabotaged wiring panels disrupt its readouts. The computer announces the countdown to penetration zero, confirms crisis aversion with 35 seconds remaining, and declares all systems closed down after the Doctor halts Stahlman's operation. Its outputs are monitored by the Doctor, Greg Sutton, Liz Shaw, Petra, and Sir Keith Gold during the tense shutdown sequence, with its final success signal marking the resolution of the crisis.
10 appearances

Purpose

Monitor drilling progress, issue catastrophe warnings, and manage shutdown countdowns for the nuclear project

Significance

Drives plot tension as its data exposes sabotage and forces frantic interventions against Stahlman's defiance, marking humanity's final seconds before global disaster

Appearances in the Narrative

When this object appears and how it's used

10 moments