| Season | Episode | Episode Name | Air Date |
|---|---|---|---|
| 0 | 0 | The Cage | 10/01/1988 |
| 1 | 1 | The Man Trap | 09/08/1966 |
| 1 | 2 | Charlie X | 09/15/1966 |
| 1 | 3 | Where No Man Has Gone Before | 09/22/1966 |
| 1 | 4 | The Naked Time | 09/29/1966 |
| 1 | 5 | The Enemy Within | 10/06/1966 |
| 1 | 6 | Mudd's Women | 10/13/1966 |
| 1 | 7 | What Are Little Girls Made Of? | 10/20/1966 |
| 1 | 8 | Miri | 10/27/1966 |
| 1 | 9 | Dagger of the Mind | 11/03/1966 |
| 1 | 10 | The Corbomite Maneuver | 11/10/1966 |
| 1 | 11 | The Menagerie, Part I | 11/17/1966 |
| 1 | 12 | The Menagerie, Part II | 11/24/1966 |
| 1 | 13 | The Conscience of the King | 12/08/1966 |
| 1 | 14 | Balance of Terror | 12/15/1966 |
| 1 | 15 | Shore Leave | 12/29/1966 |
| 1 | 16 | The Galileo Seven | 01/05/1967 |
| 1 | 17 | The Squire of Gothos | 01/12/1967 |
| 1 | 18 | Arena | 01/19/1967 |
| 1 | 19 | Tomorrow Is Yesterday | 01/26/1967 |
| 1 | 20 | Court Martial | 02/02/1967 |
| 1 | 21 | The Return of the Archons | 02/09/1967 |
| 1 | 22 | Space Seed | 02/16/1967 |
| 1 | 23 | A Taste of Armageddon | 02/23/1967 |
| 1 | 24 | This Side of Paradise | 03/02/1967 |
| 1 | 25 | The Devil in the Dark | 03/09/1967 |
| 1 | 26 | Errand of Mercy | 03/23/1967 |
| 1 | 27 | The Alternative Factor | 03/30/1967 |
| 1 | 28 | The City on the Edge of Forever | 04/06/1967 |
| 1 | 29 | Operation: Annihilate! | 04/13/1967 |
| 2 | 1 | Amok Time | 09/15/1967 |
| 2 | 1 | Who Mourns for Adonais? | 09/22/1967 |
| 2 | 1 | The Changeling | 09/29/1967 |
| 2 | 1 | Mirror, Mirror | 10/06/1967 |
| 2 | 1 | The Apple | 10/13/1967 |
| 2 | 1 | The Doomsday Machine | 10/20/1967 |
| 2 | 1 | Catspaw | 10/27/1967 |
| 2 | 1 | I, Mudd | 11/03/1967 |
| 2 | 1 | Metamorphosis | 11/10/1967 |
| 2 | 1 | Journey to Babel | 11/17/1967 |
| 2 | 1 | Friday's Child | 12/01/1967 |
| 2 | 1 | The Deadly Years | 12/08/1967 |
| 2 | 1 | Obsession | 12/15/1967 |
| 2 | 1 | Wolf in the Fold | 12/22/1967 |
| 2 | 1 | The Trouble With Tribbles | 12/29/1967 |
| 2 | 1 | The Gamesters of Triskelion | 01/05/1968 |
| 2 | 1 | A Piece of the Action | 01/12/1968 |
| 2 | 1 | The Immunity Syndrome | 01/19/1968 |
| 2 | 1 | A Private Little War | 02/02/1968 |
| 2 | 1 | Return to Tomorrow | 02/09/1968 |
| 2 | 1 | Patterns of Force | 02/16/1968 |
| 2 | 1 | By Any Other Name | 02/23/1968 |
| 2 | 1 | The Omega Glory | 03/01/1968 |
| 2 | 1 | The Ultimate Computer | 03/08/1968 |
| 2 | 1 | Bread and Circuses | 03/15/1968 |
| 2 | 1 | Assignment: Earth | 03/29/1968 |
| 3 | 1 | Spock's Brain | 09/20/1968 |
| 3 | 1 | The Enterprise Incident | 09/27/1968 |
| 3 | 1 | The Paradise Syndrome | 10/04/1968 |
| 3 | 1 | And the Children Shall Lead | 10/11/1968 |
| 3 | 1 | Is There in Truth No Beauty? | 10/18/1968 |
| 3 | 1 | Spectre of the Gun | 10/25/1968 |
| 3 | 1 | Day of the Dove | 11/01/1968 |
| 3 | 1 | For the World Is Hollow and I Have Touched the Sky | 11/08/1968 |
| 3 | 1 | The Tholian Web | 11/15/1968 |
| 3 | 1 | Plato's Stepchildren | 11/22/1968 |
| 3 | 1 | Wink of an Eye | 11/29/1968 |
| 3 | 1 | The Empath | 12/06/1968 |
| 3 | 1 | Elaan of Troyius | 12/20/1968 |
| 3 | 1 | Whom Gods Destroy | 01/03/1969 |
| 3 | 1 | Let That Be Your Last Battlefield | 01/10/1969 |
| 3 | 1 | The Mark of Gideon | 01/17/1969 |
| 3 | 1 | That Which Survives | 01/24/1969 |
| 3 | 1 | The Lights of Zetar | 01/31/1969 |
| 3 | 1 | Requiem for Methuselah | 02/14/1969 |
| 3 | 1 | The Way to Eden | 02/21/1969 |
| 3 | 1 | The Cloud Minders | 02/28/1969 |
| 3 | 1 | The Savage Curtain | 03/07/1969 |
| 3 | 1 | All Our Yesterdays | 03/14/1969 |
| 3 | 1 | Turnabout Intruder | 06/03/1969 |