Descriptions, with my comments and ratings for Star Trek, the original series, season 3.
| # | P# | Gr | Title | Description | Theme or comment |
|---|---|---|---|---|---|
| 56 | 061 | B | Spock's Brain | Spock's brain is stolen to control a matriarchal society | outwitting a machine |
| 57 | 059 | B | The Enterprise Incident | Kirk and Spock steal a Romulan cloaking device | |
| 58 | 058 | A | The Paradise Syndrome | After an injury, Kirk becomes leader of a primitive society | outwitting a machine (superior aliens long gone) |
| 59 | 060 | C | And the Children Shall Lead | A gorgon controls children who hijack the Enterprise | superior alien |
| 60 | 062 | B | Is there in truth no beauty? | Miranda Jones is on her way to form a mental link with the Medusans. | Title from George Herbert |
| 61 | 056 | B | Spectre of the Gun | The crew re-enacts the shoot-out at the O.K. Corral | superior aliens |
| 62 | 066 | B | Day of the Dove | The crew and some Klingons are caught in an unending battle. | superior alien |
| 63 | 065 | B | For the World Is Hollow and I Have Touched the Sky | Space ship whose denizens think it's a planet; McCoy has a love interest | outwitting a machine |
| 64 | 064 | B | The Tholian Web | Kirk is lost in space and presumed dead. | superior aliens |
| 65 | 067 | B | Plato's Stepchildren | Planet whose denizens have telekinetic powers. | recycled "The Gamesters of Triskelion" |
| 66 | 068 | B | Wink of an Eye | Beings who move very fast | |
| 67 | 063 | B | The Empath | A silent humanoid takes injuries on herself. | blank stage; superior aliens; pearl of great price |
| 68 | 057 | B | Elaan of Troyius | The Enterprise carries an unwilling peace bride. | Taming of the Shrew |
| 69 | 071 | B | Whom Gods Destroy | Kirk and Spock try to visit a prison planet. | |
| 70 | 070 | B | Let That Be Your Last Battlefield | Two dichromatic beings fight for control of the Enterprise | superior aliens |
| 71 | 069 | C | That Which Survives | Image of a woman that destroys the one she touches | outwitting a machine |
| 72 | 072 | B | The Mark of Gideon | Kirk finds himself alone on the ship with Odona, a beautiful woman. | |
| 73 | 073 | C | The Lights of Zetar | Electric beings share brain wave patterns with Scotty's love interest. | |
| 74 | 076 | B | Requiem for Methuselah | A long-lived man seems to be Brahms and other historical figures. | Pygmalion |
| 75 | 075 | B/C | The Way to Eden | The ship is hijacked by hippies searching for planet Eden. | |
| 76 | 074 | B | The Cloud Minders | A floating city with a troglite society on the surface. | |
| 77 | 077 | C | The Savage Curtain | Kirk and Spock with A. Lincoln act out a battle of good and evil. | superior aliens |
| 78 | 078 | A | All Our Yesterdays | A library of past ages in a dying world; Spock meets Zarabeth; Mr Atoz | |
| 79 | 079 | C | Turnabout Intruder | Kirk's body is taken over by an obsessed Janice Lester. | last episode; one of the worst |
# = Air number
P#= Production number