The U.S.S. Yamato, one of the sister ships of the Enterprise, is destroyed after encountering an ancient computer virus. Turns out, both the Enterprise and the Romulan warbird Haakona are infected.
| Air Date | 20 March 1989 |
| Production Number | 40272-137 |
| Stardate | 42609.1 |
| Gregorian Calendar Date | Saturday, 28 November 2364 22:42:22 GMT |
| Primary Arc | Artificial Intelligence |
| Secondary Arc | The Iconians |
| Tertiary Arc | n/a |
| See It or Skip It | See It! |
| Previously on Star Trek | Order | Next Time on Star Trek |
|---|---|---|
| The Dauphin | Chronological | The Royale |
| The Dauphin | Air Date | The Royale |
| The Dauphin | Production | The Royale |
| The Schizoid Man | Primary Arc | Evolution |
| n/a | Secondary Arc | To the Death |
| n/a | Tertiary Arc | n/a |
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