Episodes
| Episode | Title | First Broadcast | Repeated | Comments |
|---|---|---|---|---|
| 01 | The Unseeing Eye | 19610421 | 20170220 (BBC7) 20170221 (BBC7) 20190128 (BBC7) 20190129 (BBC7) 20201005 (BBC7) | 'A glimpse across a weird threshold, on the rim of space where there should be nothing but eternal, frozen darkness. Yet where there was something more.....' Professor Campbell McLaren - Ian Sadler Peter Garrick - Harold Reese First broadcast on the BBC Home Service in April 1961. Tom Lambert reinvestigates how Dr Petrie detected strange signals from the rim of space. |
| 02 | The Cylinder | 19610428 | 20170221 (BBC7) 20170222 (BBC7) 20190129 (BBC7) 20190130 (BBC7) 20201006 (BBC7) | Monitoring a strange pattern of signals sparks a mysterious discovery in outer space. Professor Campbell McLaren - Ian Sadler Peter Garrick - Harold Reese First broadcast on the BBC Home Service in April 1961. Monitoring a strange pattern of signals sparks a mysterious discovery in space. |
| 03 | The Power | 19610505 | 20170222 (BBC7) 20170223 (BBC7) 20190130 (BBC7) 20190131 (BBC7) 20201007 (BBC7) | The mysterious cylinder reveals its contents and - more terrifyingly - its awesome capabilities... Sir Edward Bancroft - William Fox Mr Morgan - Basil Jones First broadcast on the BBC Home Service in May 1961. The mysterious cylinder reveals its contents and awesome capabilities. |
| 04 | The Voices | 19610512 | 20170223 (BBC7) 20170224 (BBC7) 20190131 (BBC7) 20190201 (BBC7) 20201008 (BBC7) | After dramatic events in outer-space, the disturbance of noise, light and vibration subsides... Peter Garrick - Harold Reese Sir Edward Bancroft - William Fox Dr Trevor Hughes - Basil Jones Lord Hetherton - Charles West Professor Campbell McLaren - Ian Sadler First broadcast on the BBC Home Service in May 1961. After dramatic events in space, the disturbance of noise, light and vibration subsides. |
| 05 | The Frozen World | 19610519 | 20170224 (BBC7) 20170225 (BBC7) 20190201 (BBC7) 20190202 (BBC7) 20201009 (BBC7) | If I had known, that night, the terrible risk Elizabeth had taken!' But Clifford knew... Professor Campbell McLaren - Ian Sadler Peter Garrick - Harold Reese Lord Hetherton - Charles West First broadcast on the BBC Home Service in May 1961. |
| 06 | The Unseen | 19610526 | 20170227 (BBC7) 20170228 (BBC7) 20190204 (BBC7) 20190205 (BBC7) 20201012 (BBC7) | Grave warnings emanate from deep space. Do the seemingly indestructible cylinders have a weakness? Professor Campbell McLaren - Ian Sadler Peter Garrick - Harold Reese Sir Edward Bancroft - William Fox Lord Hatherton - Charles West Police Superintendent - Eric Lugg First broadcast on the BBC Home Service in May 1961. Do the seemingly indestructible cylinders have a weakness? With Felix Felton. |