| 1 | Breakaway (17-Oct-1975) |
| 2 | Force of Life (24-Oct-1975) |
| 3 | Collision Course (31-Oct-1975) |
| 4 | War Games (7-Nov-1975) |
| 5 | Death's Other Dominion (14-Nov-1975) |
| 6 | Voyager's Return (21-Nov-1975) |
| 7 | Alpha Child (28-Nov-1975) |
| 8 | Dragon's Domain (5-Dec-1975) |
| 9 | Mission of the Darians (12-Dec-1975) |
| 10 | Black Sun (19-Dec-1975) |
| 11 | Guardian of Piri (26-Dec-1975) |
| 12 | End of Eternity (9-Jan-1976) |
| 13 | Matter of Life and Death (16-Jan-1976) |
| 14 | Earthbound (23-Jan-1976) |
| 15 | The Full Circle (30-Jan-1976) |
| 16 | Another Time, Another Place (6-Feb-1976) |
| 17 | The Infernal Machine (13-Feb-1976) |
| 18 | Ring Around the Moon (20-Feb-1976) |
| 19 | Missing Link (27-Feb-1976) |
| 20 | The Last Sunset (5-Mar-1976) |
| 21 | Space Brain (12-Mar-1976) |
| 22 | The Troubled Spirit (19-Mar-1976) |
| 23 | The Testament of Arkadia (26-Mar-1976) |
| 24 | The Last Enemy (2-Apr-1976) |
| 1 | The Metamorph (4-Sep-1976) |
| 2 | The Exiles (11-Sep-1976) |
| 3 | Journey to Where (18-Sep-1976) |
| 4 | One Moment of Humanity (25-Sep-1976) |
| 5 | Brian the Brain (1-Oct-1976) |
| 6 | New Adam, New Eve (8-Oct-1976) |
| 7 | The Mark of Archanon (15-Oct-1976) |
| 8 | The Rules of Luton (22-Oct-1976) |
| 9 | All That Glisters (29-Oct-1976) |
| 10 | The Taybor (5-Nov-1976) |
| 11 | Seed of Destruction (12-Nov-1976) |
| 12 | The AB Chrysalis (19-Nov-1976) |
| 13 | Catacombs of the Moon (26-Nov-1976) |
| 14 | Space Warp (3-Dec-1976) |
| 15 | A Matter of Balance (10-Dec-1976) |
| 16 | The Beta Cloud (17-Dec-1976) |
| 17 | The Lambda Factor (24-Dec-1976) |
| 18 | The Bringers of Wonder (Part 1) (4-Aug-1977) |
| 19 | The Bringers of Wonder (Part 2) (11-Aug-1977) |
| 20 | The Seance Spectre (18-Aug-1977) |
| 21 | Dorzak (25-Aug-1977) |
| 22 | Devil's Planet (1-Sep-1977) |
| 23 | The Immunity Syndrome (8-Sep-1977) |
| 24 | The Dorcons (1-May-1978) |
