| Series |  |
 |
|
|
|
|
|
|
| The Original Series | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 4.50 |
| The Animated Series | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3.00 |
| Total | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 4.00 |
| Title | Season episode | Airdate | Stardate | Year | Rating | |
| Balance of Terror | 1 x 09 | 9 | 15 Dec 1966 | 1709.2 | 2266 |  |
| The Squire of Gothos | 1 x 19 | 19 | 12 Jan 1967 | 2124.5 | 2267 |  |
| Title | Season episode | Airdate | Stardate | Year | Rating | |
| The Terratin Incident | 1 x 11 | 11 | 17 Nov 1973 | 5577.3 | 2268 |  |
| © Graham & Ian Kennedy | Page views : 12,561 | Last updated : 20 Jan 2023 |