| Series |  |
 |
|
|
|
|
|
|
| The Original Series | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0.50 |
| Total | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0.50 |
| Title | Season episode | Airdate | Stardate | Year | Rating | |
| That Which Survives | 3 x 14 | 70 | 24 Jan 1969 | Unknown | 2268 |  |
| The Way to Eden | 3 x 20 | 76 | 21 Feb 1969 | 5832.3 | 2269 |  |
| © Graham & Ian Kennedy | Page views : 11,121 | Last updated : 27 Jul 2022 |