| Series |  |
 |
|
|
|
|
|
|
| The Original Series | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 5.00 |
| The Animated Series | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 1.50 |
| Total | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 2.67 |
| Title | Season episode | Airdate | Stardate | Year | Rating | |
| The Trouble With Tribbles | 2 x 13 | 43 | 29 Dec 1967 | 4523.3 | 2267 |  |
| Title | Season episode | Airdate | Stardate | Year | Rating | |
| More Tribbles, More Troubles | 1 x 05 | 5 | 6 Oct 1973 | 5392.4 | 2268 |  |
| Bem | 2 x 18 | 18 | 14 Sep 1974 | 7403.6 | 2269 |  |
| © Graham & Ian Kennedy | Page views : 15,097 | Last updated : 27 Jul 2022 |