| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S03E01 | Spock's Brain |
September 20, 1968
NBC
|
60 | |
| S03E02 | The Enterprise Incident |
September 27, 1968
NBC
|
60 | |
| S03E03 | The Paradise Syndrome |
October 4, 1968
NBC
|
60 | |
| S03E04 | And the Children Shall Lead |
October 11, 1968
NBC
|
60 | |
| S03E05 | Is There in Truth No Beauty? |
October 18, 1968
NBC
|
60 | |
| S03E06 | Spectre of the Gun |
October 25, 1968
NBC
|
60 | |
| S03E07 | Day of the Dove |
November 1, 1968
NBC
|
60 | |
| S03E08 | For the World is Hollow and I Have Touched the Sky |
November 8, 1968
NBC
|
60 | |
| S03E09 | The Tholian Web |
November 15, 1968
NBC
|
60 | |
| S03E10 | Plato's Stepchildren |
November 22, 1968
NBC
|
60 | |
| S03E11 | Wink of an Eye |
November 29, 1968
NBC
|
60 | |
| S03E12 | The Empath |
December 6, 1968
NBC
|
60 | |
| S03E13 | Elaan of Troyius |
December 20, 1968
NBC
|
60 | |
| S03E14 | Whom Gods Destroy |
January 3, 1969
NBC
|
60 | |
| S03E15 | Let That Be Your Last Battlefield |
January 10, 1969
NBC
|
60 | |
| S03E16 | The Mark of Gideon |
January 17, 1969
NBC
|
60 | |
| S03E17 | That Which Survives |
January 24, 1969
NBC
|
60 | |
| S03E18 | The Lights of Zetar |
January 31, 1969
NBC
|
60 | |
| S03E19 | Requiem for Methuselah |
February 14, 1969
NBC
|
60 | |
| S03E20 | The Way to Eden |
February 21, 1969
NBC
|
60 | |
| S03E21 | The Cloud Minders |
February 28, 1969
NBC
|
60 | |
| S03E22 | The Savage Curtain |
March 7, 1969
NBC
|
60 | |
| S03E23 | All Our Yesterdays |
March 14, 1969
NBC
|
60 | |
| S03E24 |
Turnabout Intruder
series finale
|
June 3, 1969
NBC
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.