| Universe : | Prime Timeline |
| Name : | Gamma Hydra IV [1] |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 2 | The Deadly Years |
| Series : | TOS Season 2 |
| Episode : | The Deadly Years |
| © Graham & Ian Kennedy | Page views : 8,802 | Last updated : 15 Apr 2014 |