The Mark of Gideon

1 Spock's Brain 2 The Enterprise Incident 3 The Paradise Syndrome 4 And the Children Shall Lead 5 Is There in Truth No Beauty? 6 Spectre of the Gun 7 Day of the Dove 8 For the World Is Hollow and I Have Touched the Sky 9 The Tholian Web 10 Plato's Stepchildren 11 Wink of an Eye 12 The Empath 13 Elaan of Troyius 14 Whom Gods Destroy 15 Let That Be Your Last Battlefield 16 The Mark of Gideon 17 That Which Survives 18 The Lights of Zetar 19 Requiem for Methuselah 20 The Way to Eden 21 The Cloud Minders 22 The Savage Curtain 23 All Our Yesterdays 24 Turnabout Intruder