Blake's 7
Volcano still
S03E0350 min· aired 1/21/1980

Volcano

TMDb7.0
Nexus es209359TMDb ep 97559TVDb ep 173174

Overview

The crew search for a new home base on the planet Obsidian, whose volcanic outbursts -- and a nuclear device buried in the planet's core by its inhabitants -- protect the planet from being overtaken. Servalan employs an elaborate plan to take control of the Liberator.