| Universe : | Prime Timeline |
| Name : | Sylvia's Castle |
The castle created by Sylvia and Korob on Pyris VII. [1] |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 2 | Catspaw |
| Series : | TOS Season 2 |
| Episode : | Catspaw |
| © Graham & Ian Kennedy | Page views : 1,131 | Last updated : 29 Oct 2025 |