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| Full EntryAll Images | Battles |
Romulan Attack One of the Enterprises phaser coolant systems develops a leak.1 |
| Yellow text = Canon source | Green text = Backstage source | White text = DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 1 | Balance of Terror |
| Series: | TOS Season 1 (Disc 4) |
| Source: | Balance of Terror |
| Copyright Graham Kennedy | Page views : 10 | Last updated : 1 Jan 1970 |
