| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | ENT | 4 | Awakening | |
| 2 | TOS | 2 | Amok Time |
| Series : | ENT Season 4 |
| Episode : | Awakening |
| Series : | TOS Season 2 |
| Episode : | Amok Time |
| © Graham & Ian Kennedy | Page views : 18,700 | Last updated : 7 Jul 2022 |
