| Title | Production Number |
Original Air Date |
Mission Stardate |
| ORIGINAL PILOT | |||
| The Cage | ST:TOS 1 | 1/1/1900 | Unknown |
| SEASON ONE | |||
| The Man Trap | ST:TOS 6 | 9/8/66 | 1513.1 |
| Charlie X | ST:TOS 8 | 9/15/66 | 1533.6 |
| Where No Man Has Gone Before | ST:TOS 2 | 9/22/66 | 1312.4 |
| The Naked Time | ST:TOS 7 | 9/29/66 | 1704.2 |
| The Enemy Within | ST:TOS 5 | 10/6/66 | 1672.1 |
| Mudd's Women | ST:TOS 4 | 10/13/66 | 1329.1 |
| What Are Little Girls Made Of? | ST:TOS 10 | 10/20/66 | 2712.4 |
| Miri | ST:TOS 12 | 10/27/66 | 2713.5 |
| Dagger of the Mind | ST:TOS 11 | 11/3/66 | 2715.1 |
| The Corbomite Maneuver | ST:TOS 3 | 11/10/66 | 1512.2 |
| The Menagerie, Part I | ST:TOS 16 | 11/17/66 | 3012.4 |
| The Menagerie, Part II | ST:TOS 16 | 11/24/66 | 3013.1 |
| The Conscience of the King | ST:TOS 13 | 12/8/66 | 2817.6 |
| Balance of Terror | ST:TOS 9 | 12/15/66 | 1709 |
| Shore Leave | ST:TOS 17 | 12/29/66 | 3025.3 |
| The Galileo Seven | ST:TOS 14 | 1/5/67 | 2821.5 |
| The Squire of Gothos | ST:TOS 18 | 1/12/67 | 2124.5 |
| Arena | ST:TOS 19 | 1/19/67 | 3045.6 |
| Tomorrow is Yesterday | ST:TOS 21 | 1/26/67 | 3113.2 |
| Court-Martial | ST:TOS 15 | 2/2/67 | 2947.3 |
| The Return of the Archons | ST:TOS 22 | 2/9/67 | 3156.2 |
| Space Seed | ST:TOS 24 | 2/16/67 | 3141.9 |
| A Taste of Armageddon | ST:TOS 23 | 2/23/67 | 3192.1 |
| This Side of Paradise | ST:TOS 25 | 3/2/67 | 3417.3 |
| The Devil in the Dark | ST:TOS 26 | 3/9/67 | 3196.1 |
| Errand of Mercy | ST:TOS 27 | 3/23/67 | 3198.4 |
| The Alternative Factor | ST:TOS 20 | 3/30/67 | 3087.6 |
| The City on the Edge of Forever | ST:TOS 28 | 4/6/67 | 3134.0 |
| Operation-Annihilate! | ST:TOS 29 | 4/13/67 | 3287.2 |
| SEASON TWO | |||
| Amok Time | ST:TOS 34 | 9/15/67 | 3372.7 |
| Who Mourns for Adonais? | ST:TOS 33 | 9/22/67 | 3468.1 |
| The Changeling | ST:TOS 37 | 9/29/67 | 3451.9 |
| Mirror, Mirror | ST:TOS 39 | 10/6/67 | Unknown |
| The Apple | ST:TOS 38 | 10/13/67 | 3715.0 |
| The Doomsday Machine | ST:TOS 35 | 10/20/67 | 4202.9 |
| Catspaw | ST:TOS 30 | 10/27/67 | 3018.2 |
| I, Mudd | ST:TOS 41 | 11/3/67 | 4513.3 |
| Metamorphosis | ST:TOS 31 | 11/10/67 | Unknown |
| Journey to Babel | ST:TOS 44 | 11/17/67 | 3842.3 |
| Friday's Child | ST:TOS 32 | 12/1/67 | 3497.2 |
| The Deadly Years | ST:TOS 40 | 12/8/67 | 3478.2 |
| Obsession | ST:TOS 47 | 12/15/67 | 3619.2 |
| Wolf in the Fold | ST:TOS 36 | 12/22/67 | 3614.9 |
| The Trouble With Tribbles™ | ST:TOS 42 | 12/29/67 | 4523.3 |
| The Gamesters of Triskelion | ST:TOS 46 | 1/5/68 | 3211.7 |
| A Piece of the Action | ST:TOS 49 | 1/12/68 | 4598.0 |
| The Immunity Syndrome | ST:TOS 48 | 1/19/68 | 4307.1 |
| A Private Little War | ST:TOS 45 | 2/2/68 | 4211.4 |
| Return to Tomorrow | ST:TOS 51 | 2/9/68 | 4768.3 |
| Patterns of Force | ST:TOS 52 | 2/16/68 | 2534.0 |
| By Any Other Name | ST:TOS 50 | 2/23/68 | 4657.5 |
| The Omega Glory | ST:TOS 54 | 3/1/68 | Unknown |
| The Ultimate Computer | ST:TOS 53 | 3/8/68 | 4729.4 |
| The Paradise Syndrome | ST:TOS 58 | 3/8/68 | 4842.6 |
| Bread and Circuses | ST:TOS 43 | 3/15/68 | 4040.7 |
| Assignment: Earth | ST:TOS 55 | 3/29/68 | Unknown |
| SEASON THREE | |||
| Spock's Brain | ST:TOS 61 | 9/20/68 | 5431.4 |
| The Enterprise Incident | ST:TOS 59 | 9/27/68 | 5027.3 |
| And the Children Shall Lead | ST:TOS 60 | 10/11/68 | 5027.3 |
| Is There In Truth No Beauty? | ST:TOS 62 | 10/18/68 | 5630.7 |
| Spectre of the Gun | ST:TOS 56 | 10/25/68 | 4385.3 |
| Day of the Dove | ST:TOS 66 | 11/1/68 | Unknown |
| For the World Is Hollow and I Have Touched the Sky | ST:TOS 65 | 11/8/68 | 5476.3 |
| Tholian Web | ST:TOS 64 | 11/15/68 | 5693.2 |
| Plato's Stepchildren | ST:TOS 67 | 11/22/68 | 5784.0 |
| Wink of an Eye | ST:TOS 68 | 11/29/68 | 5710.5 |
| The Empath | ST:TOS 63 | 12/6/68 | 5121.0 |
| Elaan of Troyius | ST:TOS 57 | 12/20/68 | 4372.5 |
| Whom Gods Destroy | ST:TOS 71 | 1/3/69 | 5718.3 |
| Let That Be Your Last Battlefield | ST:TOS 70 | 1/10/69 | 5730.2 |
| The Mark of Gideon | ST:TOS 72 | 1/17/69 | 5423.4 |
| That Which Survives | ST:TOS 69 | 1/24/69 | Unknown |
| The Lights of Zetar | ST:TOS 73 | 1/31/69 | 5725.3 |
| Requiem For Methuselah | ST:TOS 76 | 2/14/69 | 5843.7 |
| The Way to Eden | ST:TOS 75 | 2/21/69 | 5832.3 |
| The Cloud Minders | ST:TOS 74 | 2/28/69 | 5818.4 |
| The Savage Curtain | ST:TOS 77 | 3/7/69 | 5906.4 |
| All Our Yesterdays | ST:TOS 78 | 3/14/69 | 5943.7 |
| Turnabout Intruder | ST:TOS 79 | 6/3/69 | 5928.5 |