Season Two
| PRODUCTION NUMBER | EPISODE TITLE | FIRST US TRANSMISSION |
| 8201 | Jonah and the Whale | 19/9/65 |
| 8203 | Time Bomb | 26/9/65 |
| 8202 | ...And Five of Us Are Left | 3/10/65 |
| 8205 | The Cyborg | 10/10/65 |
| 8204 | Escape from Venice | 17/10/65 |
| 8207 | The Left-Handed Man | 24/10/65 |
| 8206 | The Deadliest Game | 31/10/65 |
| 8211 | Leviathan | 7/11/65 |
| 8212 | The Peacemaker | 14/11/65 |
| 8209 | The Silent Sabateurs | 21/11/65 |
| 8214 | The X Factor | 5/12/65 |
| 8215 | The Machines Strike Back | 12/12/65 |
| 8213 | The Monster From Outer Space | 19/12/65 |
| 8217 | Terror On Dinosaur Island | 26/12/65 |
| 8216 | Killers Of The Deep | 2/1/66 |
| 8218 | Deadly Creature Below! | 9/1/66 |
| 8219 | The Phantom Strikes | 16/1/66 |
| 8220 | The Sky's On Fire | 23/1/66 |
| 8221 | Graveyard of Fear | 30/1/66 |
| 8222 | The Shape of Doom | 6/2/66 |
| 8223 | Dead Men's Doubloons | 6/2/66 |
| 8210 | The Death Ship | 20/2/66 |
| 8224 | The Monster's Web | 27/2/66 |
| 8225 | The Menfish | 6/3/66 |
| 8226 | The Mechanical Man | 13/3/66 |
| 8227 | The Return of the Phantom | 20/3/66 |