| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | ENT | 1 | Broken Bow | |
| 2 | ENT | 1 | Two Days and Two Nights | |
| 3 | Star Trek IV : The Voyage Home |
| Series : | ENT Season 1 |
| Episode : | Broken Bow |
| Series : | ENT Season 1 |
| Episode : | Two Days and Two Nights |
| Film: | Star Trek IV : The Voyage Home |
| © Graham & Ian Kennedy | Page views : 5,683 | Last updated : 8 Nov 2003 |
