The Original Series Episodes # Title Original Air Date Director Review Season 0 0 The Cage October 4, 1988 Robert Butler Season 1 101 Where No Man Has Gone Before September 22, 1966 James Goldstone 102 The Corbomite Maneuver November 10, 1966 Joseph Sargent 103 Mudd's Women October 13, 1966 Harvey Hart 104 The Enemy Within October 6, 1966 Leo Penn 105 The Man Trap September 8, 1966 Marc Daniels 106 The Naked Time September 29, 1966 Marc Daniels 107 Charlie X September 15, 1966 Lawrence Dobkin 108 Balance of Terror December 15, 1966 Vincent McEveety 109 What Are Little Girls Made Of? October 20, 1966 James Goldstone 110 Dagger of the Mind November 3, 1966 Vincent McEveety 111 Miri October 27, 1966 Vincent McEveety 112 The Conscience of the King December 8, 1966 Gerd Oswald 113 The Galileo Seven January 5, 1967 Robert Gist 114 Court Martial February 2, 1967 Marc Daniels 115 The Menagerie, Part I November 17, 1966 Marc Daniels, and Robert Butler 116 The Menagerie, Part II November 24, 1966 Marc Daniels, and Robert Butler 117 Shore Leave December 29, 1966 Robert Sparr 118 The Squire of Gothos January 12, 1967 Don McDougall 119 Arena January 19, 1967 Joseph Pevney 120 The Alternative Factor March 30, 1967 Gerd Oswald 121 Tomorrow is Yesterday January 26, 1967 Michael O'Herlihy 122 The Return of the Archons February 9, 1967 Joseph Pevney 123 A Taste of Armageddon February 23, 1967 Joseph Pevney 124 Space Seed February 16, 1967 Marc Daniels 125 This Side of Paradise March 2, 1967 Ralph Senensky 126 The Devil in the Dark March 9, 1967 Joseph Pevney 127 Errand of Mercy March 23, 1967 John Newland 128 The City on the Edge of Forever April 6, 1967 Joseph Pevney 129 Operation -- Annihilate! April 13, 1967 Herschel Daugherty Season 2 201 Catspaw October 27, 1967 Joseph Pevney 202 Metamorphosis November 10, 1967 Ralph Senensky 203 Friday's Child December 1, 1967 Joseph Pevney 204 Who Mourns for Adonais? September 22, 1967 Marc Daniels 205 Amok Time September 15, 1967 Joseph Pevney 206 The Doomsday Machine October 20, 1967 Marc Daniels 207 Wolf in the Fold December 22, 1967 Joseph Pevney 208 The Changeling September 29, 1967 Marc Daniels 209 The Apple October 13, 1967 Joseph Pevney 210 Mirror, Mirror October 6, 1967 Marc Daniels 211 The Deadly Years December 8, 1967 Joseph Pevney 212 I, Mudd November 3, 1967 Marc Daniels 213 The Trouble with Tribbles December 29, 1967 Joseph Pevney 214 Bread and Circuses March 15, 1968 Ralph Senensky 215 Journey to Babel November 17, 1967 Joseph Pevney 216 A Private Little War February 2, 1968 Marc Daniels 217 The Gamesters of Triskelion January 5, 1968 Gene Nelson 218 Obsession December 15, 1967 Ralph Senensky 219 The Immunity Syndrome January 19, 1968 Joseph Pevney 220 A Piece of the Action January 12, 1968 James Komack 221 By Any Other Name February 23, 1968 Marc Daniels 222 Return to Tomorrow February 9, 1968 Ralph Senensky 223 Patterns of Force February 16, 1968 Vincent McEveety 224 The Ultimate Computer March 8, 1968 John Meredyth Lucas 225 The Omega Glory March 1, 1968 Vincent McEveety 226 Assignment: Earth March 29, 1968 Marc Daniels Season 3 301 Spectre of the Gun October 25, 1968 Vincent McEveety 302 Elaan of Troyius December 20, 1968 John Meredyth Lucas 303 The Paradise Syndrome October 4, 1968 Jud Taylor 304 The Enterprise Incident September 27, 1968 John Meredyth Lucas 305 And the Children Shall Lead October 11, 1968 Marvin Chomsky 306 Spock's Brain September 20, 1968 Marc Daniels 307 Is There in Truth No Beauty? October 18, 1968 Ralph Senensky 308 The Empath December 6, 1968 John Erman 309 The Tholian Web November 15, 1968 Herb Wallerstein, and Ralph Senensky 310 For the World is Hollow and I Have Touched the Sky November 8, 1968 Tony Leader 311 Day of the Dove November 1, 1968 Marvin Chomsky 312 Plato's Stepchildren November 22, 1968 David Alexander 313 Wink of an Eye November 29, 1968 Jud Taylor 314 That Which Survives January 24, 1969 Herb Wallerstein 315 Let That Be Your Last Battlefield January 10, 1969 Jud Taylor 316 Whom Gods Destroy January 3, 1969 Herb Wallerstein 317 The Mark of Gideon January 17, 1969 Jud Taylor 318 The Lights of Zetar January 31, 1969 Herb Kenwith 319 The Cloud Minders February 28, 1969 Jud Taylor 320 The Way to Eden February 21, 1969 David Alexander 321 Requiem for Methuselah February 14, 1969 Murray Golden 322 The Savage Curtain March 7, 1969 Herschel Daugherty 323 All Our Yesterdays March 14, 1969 Marvin Chomsky 324 Turnabout Intruder June 3, 1969 Herb Wallerstein External Links Startrek.com Memory Alpha IMDb Wikipedia Paramount+ Watch on Paramount+