| episode | prod | title | directed_by | written_by | originalairdate | filmed |
| 1 | 104 | diplomatic immunity | leslie norman | dennis spooner | 1966-09-28 | 1965-09-01 |
| 2 | 107 | epitaph for a hero | john moxey | terry nation | 1966-10-05 | 1965-10-01 |
| 3 | 109 | something for a rainy day | cyril frankel | terry nation | 1966-10-12 | 1965-11-01 |
| 4 | 102 | red horse , red rider | john moxey | terry nation | 1966-10-19 | 1965-08-01 |
| 5 | 110 | enemy of the state | jeremy summers | dennis spooner | 1966-10-26 | 1965-12-01 |
| 6 | 114 | masquerade (part one) | cyril frankel | terry nation | 1966-11-02 | 1966-02-01 |
| 7 | 115 | the killing (part two) | cyril frankel | terry nation | 1966-11-09 | 1966-02-01 |
| 8 | 108 | the persuaders | leslie norman | dennis spooner | 1966-11-16 | 1965-10-01 |
| 9 | 112 | and suddenly you 're dead | cyril frankel | terry nation and dennis spooner | 1966-11-23 | 1966-01-01 |
| 10 | 103 | the legions of ammak | john moxey | michael cramoy | 1966-11-30 | 1965-08-01 |
| 11 | 101 | samurai west | john moxey | brian degas | 1966-12-07 | 1965-07-01 |
| 12 | 123 | the maze | jeremy summers | tony o'grady (pseudonym of brian clemens) | 1966-12-14 | 1966-06-01 |
| 13 | 105 | portrait of louisa | john moxey | terry nation | 1966-12-21 | 1965-09-01 |
| 14 | 111 | there 's somebody close behind you | roy baker | terry nation and dennis spooner | 1966-12-28 | 1965-12-01 |
| 15 | 125 | storm warning (part one) | gordon flemyng | terry nation | 1967-01-04 | 1966-07-01 |
| 16 | 126 | the island (part two) | gordon flemyng | terry nation | 1967-01-11 | 1966-07-01 |
| 17 | 121 | time to kill | jeremy summers | dennis spooner | 1967-01-18 | 1966-05-01 |
| 18 | 113 | a memory of evil | don chaffey | terry nation and dennis spooner | 1967-01-25 | 1966-01-01 |
| 19 | 117 | you can't win them all | don chaffey | dennis spooner | 1967-02-01 | 1966-04-01 |
| 20 | 128 | the high terrace | robert asher | dennis spooner | 1967-02-08 | 1966-09-01 |
| 21 | 118 | the seven eyes of night | robert asher | terry nation | 1967-02-15 | 1966-04-01 |
| 22 | 124 | night of the hunter | roy baker | terry nation | 1967-02-22 | 1966-07-01 |
| 23 | 120 | the edge of fear | quentin lawrence | dennis spooner | 1967-03-01 | 1966-05-01 |
| 24 | 116 | long ago and far away | robert asher | dennis spooner | 1967-03-08 | 1966-04-01 |
| 25 | 122 | so dark the night | robert tronson | terry nation and dennis spooner | 1967-03-15 | 1966-06-01 |
| 26 | 119 | the long , long day | roy baker | tony o'grady | 1967-03-22 | 1966-04-01 |
| 27 | 127 | roundabout | robert tronson | terry nation | 1967-03-29 | 1966-08-01 |
| 28 | 129 | the man outside | roy baker | terry nation | 1967-04-05 | 1966-09-01 |
| 29 | 130 | countdown | robert asher | terry nation | 1967-04-12 | 1966-10-01 |