




| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | SNW | 3 | Four-and-a-Half Vulcans | |
| 2 | TOS | 2 | Amok Time | |
| 3 | TOS | 1 | The Naked Time | |
| 4 | SNW | 1 | Strange New Worlds | |
| 5 | Various Original Series episodes | |||
| 6 | TOS | 1 | The Corbomite Maneuver | |
| 7 | TNG | 1 | The Naked Now | |
| 8 | ENT | 1 | Shadows of P'Jem |
| Series : | SNW Season 3 |
| Episode : | Four-and-a-Half Vulcans |
| Series : | TOS Season 2 |
| Episode : | Amok Time |
| Series : | TOS Season 1 |
| Episode : | The Naked Time |
| Series : | SNW Season 1 |
| Episode : | Strange New Worlds |
| Series : | TOS Season |
| Episode : | Various Original Series episodes |
| Series : | TOS Season 1 |
| Episode : | The Corbomite Maneuver |
| Series : | TNG Season 1 |
| Episode : | The Naked Now |
| Series : | ENT Season 1 |
| Episode : | Shadows of P'Jem |
| © Graham & Ian Kennedy | Page views : 1,951 | Last updated : 11 Oct 2025 |