Season 1 (1967)
7.62 avg 32 episodes 8.1 → 6.6 25 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Mysterons | 8.1 | 168 |
| 2 | Winged Assassin | 7.8 | 127 |
| 3 | Big Ben Strikes Again | 7.8 | 124 |
| 4 | Manhunt | 7.6 | 116 |
| 5 | Avalanche | 7.8 | 108 |
| 6 | White as Snow | 7.9 | 101 |
| 7 | The Trap | 7.5 | 102 |
| 8 | Operation Time | 7.6 | 101 |
| 9 | Spectrum Strikes Back | 7.4 | 97 |
| 10 | Special Assignment | 7.7 | 90 |
| 11 | The Heart of New York | 7.8 | 95 |
| 12 | Lunarville 7 | 8.0 | 97 |
| 13 | Point 783 | 7.5 | 96 |
| 14 | Model Spy | 7.3 | 82 |
| 15 | Seek and Destroy | 7.6 | 86 |
| 16 | Renegade Rocket | 7.1 | 88 |
| 17 | Crater 101 | 7.9 | 87 |
| 18 | Shadow of Fear | 7.5 | 89 |
| 19 | Dangerous Rendezvous | 7.6 | 83 |
| 20 | Fire at Rig 15 | 7.5 | 80 |
| 21 | Treble Cross | 7.8 | 77 |
| 22 | Flight 104 | 7.7 | 80 |
| 23 | Place of Angels | 7.8 | 80 |
| 24 | Noose of Ice | 7.8 | 84 |
| 25 | Expo 2068 | 7.4 | 79 |
| 26 | The Launching | 7.8 | 79 |
| 27 | Codename Europa | 7.7 | 77 |
| 28 | Inferno | 7.6 | 80 |
| 29 | Traitor | 7.2 | 81 |
| 30 | Flight to Atlantica | 7.6 | 83 |
| 31 | Attack on Cloudbase | 7.7 | 96 |
| 32 | The Inquisition | 6.6 | 84 |