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| "Don't Open Till Doomsday" | |
|---|---|
| The Outer Limits episode | |
| Episode no. | Season 1 Episode 17 |
| Directed by | Gerd Oswald |
| Written by | Joseph Stefano |
| Cinematography by | Conrad Hall |
| Production code | 22 |
| Original air date | January 20, 1964 |
| Guest appearances | |
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"Don't Open Till Doomsday" is an episode of the original The Outer Limits television show. It first aired on 20 January 1964, during the first season.