Mission logs
Episodes
| Series | Season | # | Title | Air date |
|---|---|---|---|---|
| TOS | 3 | 1 | Spock's Brain | September 20, 1968 |
| TOS | 3 | 2 | The Enterprise Incident | September 27, 1968 |
| TOS | 3 | 3 | The Paradise Syndrome | October 4, 1968 |
| TOS | 3 | 4 | And the Children Shall Lead | October 11, 1968 |
| TOS | 3 | 5 | Is There in Truth No Beauty? | October 18, 1968 |
| TOS | 3 | 6 | Spectre of the Gun | October 25, 1968 |
| TOS | 3 | 7 | Day of the Dove | November 1, 1968 |
| TOS | 3 | 8 | For the World Is Hollow and I Have Touched the Sky | November 8, 1968 |
| TOS | 3 | 9 | The Tholian Web | November 15, 1968 |
| TOS | 3 | 10 | Plato's Stepchildren | November 22, 1968 |