Attack on Cloudbase
- Episode aired May 7, 1968
- TV-PG
- 26m
After the Mysterons threaten Spectrum's Cloudbase headquarters, a large fast-moving trace appears on the radar.After the Mysterons threaten Spectrum's Cloudbase headquarters, a large fast-moving trace appears on the radar.After the Mysterons threaten Spectrum's Cloudbase headquarters, a large fast-moving trace appears on the radar.