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| Show All | Science and Technology |
| Name : | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All |
Name |
Description | Episode |
| Atavachron1 | Temporal portal created on the planet Sarpeidon to allow the population to escape the death of their sun.1 | All Our Yesterdays |
| Name : | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All |
| Yellow text = Canon source | Green text = Backstage source | White text = DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 3 | All Our Yesterdays |
| Series: | TOS Season 3 (Disc 5) |
| Source: | All Our Yesterdays |
| Copyright Graham Kennedy | Page views : 581 | Last updated : 1 Jan 1970 |
