| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | STP | 1 | Et in Arcadia Ego, Part 1 |
| Series : | STP Season 1 |
| Episode : | Et in Arcadia Ego, Part 1 |
| © Graham & Ian Kennedy | Page views : 1,483 | Last updated : 1 Jan 2022 |
