Top 20 Original Star Trek Episodes

1. Balance of Terror - Season 1
2. City on the Edge of Forever - Season 1
3. The Corbomite Manuever - Season 1
4. Errand of Mercy - Season 1
5. Galilio Seven - Season 1
6. Space Seed - Season 1
7. Amok Time
8. Bread and Circuses
9. Domesday Machine
10. Journey to Babel
11. Mirror, Mirror
12. The Menagerie
13. Obession
14. Piece of the Action
15. Trouble with Tribbles
16. Ultimate Computer
17. All our Yesterdays - Season 3
18. Elaan of Troyius - Season 3
19. Let that be Your last battlefield - Season 3
20. Tholian Web - Season 3