Despite the earlier Romulan war, the Romulans have never been seen in person. The Enterprise, in pursuit of a Romulan aggressor, makes a discovery that causes suspicion about a senior crew member.
| Creator | Gene Roddenberry |
|---|---|
| Actor | William Shatner, Leonard Nimoy, DeForest Kelley |
| Country | United States of America |
| Production | Desilu Productions |