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The Doomsday Machine The maw of the Doomsday device, approximately half a kilometre wide.1 |
| Yellow text = Canon source | Green text = Backstage source | White text = DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 2 | The Doomsday Machine |
| Series: | TOS Season 2 (Disc 2) |
| Source: | The Doomsday Machine |
| Copyright Graham Kennedy | Page views : 6 | Last updated : 1 Jan 1970 |
