| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TNG | 5 | The Perfect Mate | |
| 2 | ENT | 2 | Precious Cargo |
| Series : | TNG Season 5 |
| Episode : | The Perfect Mate |
| Series : | ENT Season 2 |
| Episode : | Precious Cargo |
| © Graham & Ian Kennedy | Page views : 9,050 | Last updated : 6 Apr 2020 |
