| 3x42 The War Machines, Part One | 25/06/1966 |
| 3x43 The War Machines, Part Two | 02/07/1966 |
| 3x44 The War Machines, Part Three | 09/07/1966 |
| 3x45 The War Machines, Part Four | 16/07/1966 |
| 6x23 The Seeds of Death, Part One | 25/01/1969 |
| 6x24 The Seeds of Death, Part Two | 01/02/1969 |
| 6x25 The Seeds of Death, Part Three | 08/02/1969 |
| 6x26 The Seeds of Death, Part Four | 15/02/1969 |
| 6x27 The Seeds of Death, Part Five | 22/02/1969 |
| 6x28 The Seeds of Death, Part Six | 01/03/1969 |
| 7x12 The Ambassadors of Death, Part One | 21/03/1970 |
| 7x13 The Ambassadors of Death, Part Two | 28/03/1970 |
| 7x14 The Ambassadors of Death, Part Three | 04/04/1970 |
| 7x15 The Ambassadors of Death, Part Four | 11/04/1970 |
| 7x16 The Ambassadors of Death, Part Five | 18/04/1970 |
| 7x17 The Ambassadors of Death, Part Six | 25/04/1970 |
| 7x18 The Ambassadors of Death, Part Seven | 02/05/1970 |
| 8x11 The Claws of Axos, Part One | 13/03/1971 |
| 8x12 The Claws of Axos, Part Two | 20/03/1971 |
| 8x13 The Claws of Axos, Part Three | 27/03/1971 |
| 8x14 The Claws of Axos, Part Four | 03/04/1971 |
