| Universe : | Prime Timeline |
| Name : | M-113 Ruins |
These ancient ruins were located on the deserted planet M-113. Professor Crater used them as his home during his investigation of the planet. [1] |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 1 | The Man Trap |
| Series : | TOS Season 1 |
| Episode : | The Man Trap |
| © Graham & Ian Kennedy | Page views : 777 | Last updated : 5 Nov 2025 |