| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 2 | The Trouble With Tribbles | |
| 2 | DS9 | 5 | Trials and Tribble-ations | |
| 3 | Star Trek III : The Search for Spock |
| Series : | TOS Season 2 |
| Episode : | The Trouble With Tribbles |
| Series : | DS9 Season 5 |
| Episode : | Trials and Tribble-ations |
| Film: | Star Trek III : The Search for Spock |
| © Graham & Ian Kennedy | Page views : 8,972 | Last updated : 8 Jul 2022 |
