Season 1
     1 - The Man Trap

     3 - Where No Man Has Gone Before

     5 - The Enemy Within

    10 - The Corbomite Maneuver
    11 - The Menagerie - part 1
    12 - The Menagerie - part 2

    14 - Balance of Terror

    16 - The Galileo Seven

    18 - Arena
    19 - Tomorrow is Yesterday

    22 - Space Seed
    23 - A Taste of Armageddon

    25 - The Devil in the Dark

    27 - The Alternative Factor
    28 - The City on the Edge of Forever
    29 - Operation -- Annihilate!
Season 2

     2 - Who Mourns for Adonais?
     3 - The Changeling
     4 - Mirror, Mirror
     5 - The Apple
     6 - The Doomsday Machine

     8 - I, Mudd

    10 - Journey to Babel

    12 - The Deadly Years
    13 - Obsession
    14 - Wolf in the Fold
    15 - The Trouble with Tribbles

    18 - The Immunity Syndrome

    22 - By Any Other Name

    24 - The Ultimate Computer

    26 - Assignment: Earth
Season 3
     1 - Spock's Brain
     2 - The Enterprise Incident

     4 - And the Children Shall Lead

     7 - Day of the Dove
     8 - For the World is Hollow and I Have Touched the Sky

    15 - Let That Be Your Last Battlefield

    17 - That Which Survives

    19 - Requiem for Methuselah
    20 - The Way to Eden
    21 - The Cloud Minders

    23 - All Our Yesterdays
    24 - Turnabout Intruder