Sumber: Lihat artikel asli di Wikipedia


| No. total | No. musim | Judul | Stardate [1] | Sutradara | Penulis skenario | Tanggal tayang asli [2] | Prod. produksi |
|---|---|---|---|---|---|---|---|
| 56 | 1 | "Spock's Brain" | 5431.4 | Marc Daniels | Lee Cronin[a] | 20 September 1968 (1968-09-20) | 61 |
| 57 | 2 | "The Enterprise Incident" | 5027.3 | John Meredyth Lucas | D. C. Fontana | 27 September 1968 (1968-09-27) | 59 |
| 58 | 3 | "The Paradise Syndrome" | 4842.6 | Jud Taylor | Margaret Armen | 4 Oktober 1968 (1968-10-04) | 58 |
| 59 | 4 | "And the Children Shall Lead" | 5029.5 | Marvin Chomsky | Edward J. Lakso | 11 Oktober 1968 (1968-10-11) | 60 |
| 60 | 5 | "Is There in Truth No Beauty?" | 5630.7 | Ralph Senensky | Jean Lisette Aroeste | 18 Oktober 1968 (1968-10-18) | 62 |
| 61 | 6 | "Spectre of the Gun" | 4385.3 | Vincent McEveety | Lee Cronin[a] | 25 Oktober 1968 (1968-10-25) | 56 |
| 62 | 7 | "Day of the Dove" | 5630.3 | Marvin Chomsky | Jerome Bixby | 1 November 1968 (1968-11-01) | 66 |
| 63 | 8 | "For the World Is Hollow and I Have Touched the Sky" | 5476.3 | Tony Leader | Rik Vollaerts | 8 November 1968 (1968-11-08) | 65 |
| 64 | 9 | "The Tholian Web" | 5693.2 | Herb Wallerstein | Judy Burns dan Chet Richards | 15 November 1968 (1968-11-15) | 64 |
| 65 | 10 | "Plato's Stepchildren" | 5784.2 | David Alexander | Meyer Dolinsky | 22 November 1968 (1968-11-22) | 67 |
| 66 | 11 | "Wink of an Eye" | 5710.5 | Jud Taylor | Cerita oleh : Lee Cronin[a] Skenario oleh : Arthur Heinemann | 29 November 1968 (1968-11-29) | 68 |
| 67 | 12 | "The Empath" | 5121.5 | John Erman | Joyce Muskat | 6 Desember 1968 (1968-12-06) | 63 |
| 68 | 13 | "Elaan of Troyius" | 4372.5 | John Meredyth Lucas | John Meredyth Lucas | 20 Desember 1968 (1968-12-20) | 57 |
| 69 | 14 | "Whom Gods Destroy" | 5718.3 | Herb Wallerstein | Cerita oleh : Lee Erwin dan Jerry Sohl Skenario oleh : Lee Erwin | 3 Januari 1969 (1969-01-03) | 71 |
| 70 | 15 | "Let That Be Your Last Battlefield" | 5730.2 | Jud Taylor | Cerita oleh : Lee Cronin[a] Skenario oleh : Oliver Crawford | 10 Januari 1969 (1969-01-10) | 70 |
| 71 | 16 | "The Mark of Gideon" | 5423.4 | Jud Taylor | George F. Slavin dan Stanley Adams | 17 Januari 1969 (1969-01-17) | 72 |
| 72 | 17 | "That Which Survives" | Tidak diketahui | Herb Wallerstein | Cerita oleh : Michael Richards[b] Skenario oleh : John Meredyth Lucas | 24 Januari 1969 (1969-01-24) | 69 |
| 73 | 18 | "The Lights of Zetar" | 5725.3 | Herb Kenwith | Jeremy Tarcher dan Shari Lewis | 31 Januari 1969 (1969-01-31) | 73 |
| 74 | 19 | "Requiem for Methuselah" | 5843.7 | Murray Golden | Jerome Bixby | 14 Februari 1969 (1969-02-14) | 76 |
| 75 | 20 | "The Way to Eden" | 5832.3 | David Alexander | Cerita oleh : Michael Richards[b] dan Arthur Heinemann Skenario oleh : Arthur Heinemann | 21 Februari 1969 (1969-02-21) | 75 |
| 76 | 21 | "The Cloud Minders" | 5818.4 | Jud Taylor | Cerita oleh : David Gerrold dan Oliver Crawford Skenario oleh : Margaret Armen | 28 Februari 1969 (1969-02-28) | 74 |
| 77 | 22 | "The Savage Curtain" | 5906.4 | Herschel Daugherty | Cerita oleh : Gene Roddenberry Skenario oleh : Arthur Heinemann dan Gene Roddenberry | 7 Maret 1969 (1969-03-07) | 77 |
| 78 | 23 | "All Our Yesterdays" | 5943.7 | Marvin Chomsky | Jean Lisette Aroeste | 14 Maret 1969 (1969-03-14) | 78 |
| 79 | 24 | "Turnabout Intruder" | 5928.5 | Herb Wallerstein | Cerita oleh : Gene Roddenberry Skenario oleh : Arthur Singer | 3 Juni 1969 (1969-06-03) | 79 |