Season 1 (1966)
6.77 avg 30 episodes 7.8 → 6.2 50 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Rendezvous with Yesterday | 7.8 | 541 |
| 2 | One Way to the Moon | 7.0 | 378 |
| 3 | End of the World | 6.8 | 339 |
| 4 | The Day the Sky Fell In | 7.7 | 372 |
| 5 | The Last Patrol | 6.8 | 285 |
| 6 | Crack of Doom | 6.8 | 287 |
| 7 | Revenge of the Gods | 7.2 | 296 |
| 8 | Massacre | 6.7 | 255 |
| 9 | Devil's Island | 7.1 | 252 |
| 10 | Reign of Terror | 6.7 | 245 |
| 11 | Secret Weapon | 7.1 | 250 |
| 12 | The Death Trap | 6.9 | 239 |
| 13 | The Alamo | 6.9 | 232 |
| 14 | Night of the Long Knives | 6.6 | 222 |
| 15 | Invasion | 6.9 | 220 |
| 16 | The Revenge of Robin Hood | 6.7 | 221 |
| 17 | Kill Two by Two | 7.4 | 237 |
| 18 | Visitors from Beyond the Stars | 6.1 | 247 |
| 19 | The Ghost of Nero | 6.1 | 232 |
| 20 | The Walls of Jericho | 7.0 | 260 |
| 21 | Idol of Death | 6.3 | 197 |
| 22 | Billy the Kid | 7.2 | 218 |
| 23 | Pirates of Deadman's Island | 6.5 | 210 |
| 24 | Chase Through Time | 7.3 | 255 |
| 25 | The Death Merchant | 6.3 | 208 |
| 26 | Attack of the Barbarians | 6.3 | 203 |
| 27 | Merlin the Magician | 6.2 | 224 |
| 28 | The Kidnappers | 6.4 | 212 |
| 29 | Raiders from Outer Space | 6.0 | 208 |
| 30 | Town of Terror | 6.2 | 237 |