| Episode: | 027 |
| Season: | 1 |
| First aired in: | 1967 |
| Written by: | Gene L. Coon |
| Directed by: | John Newland |
| Teleplay by: | - |
| Stardate: | 3198.4 |
The Enterprise tries to protect Organia, an appearantly primitive planet, from the Klingons, but appearances can be deceiving, and the Organians neither want nor need assistance.
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| Guest stars: | John Colicos as Kor |
This is the first episode to feature the Klingons. Hence, Kor is the first Klingon ever on Star Trek.