7.28 avg 17 episodes 6.9 → 8.2 23 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Cha-Ka | 6.9 | 165 |
| 2 | The Sleestak God | 7.4 | 128 |
| 3 | Dopey | 6.6 | 119 |
| 4 | Downstream | 6.7 | 113 |
| 5 | Tag-Team | 6.6 | 100 |
| 6 | The Stranger | 8.3 | 119 |
| 7 | Album | 7.6 | 101 |
| 8 | Skylons | 7.4 | 98 |
| 9 | The Hole | 7.7 | 95 |
| 10 | The Paku Who Came to Dinner | 6.4 | 94 |
| 11 | The Search | 7.2 | 90 |
| 12 | The Possession | 6.9 | 87 |
| 13 | Follow That Dinosaur | 7.9 | 93 |
| 14 | Stone Soup | 6.6 | 85 |
| 15 | Elsewhen | 8.1 | 101 |
| 16 | Hurricane | 7.3 | 83 |
| 17 | Circle | 8.2 | 104 |
7.17 avg 13 episodes 6.6 → 7.7 25 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Tar Pit | 6.6 | 78 |
| 2 | The Zarn | 7.9 | 91 |
| 3 | Fair Trade | 6.8 | 73 |
| 4 | One of Our Pylons Is Missing | 7.1 | 75 |
| 5 | The Test | 6.9 | 69 |
| 6 | Gravity Storm | 7.5 | 72 |
| 7 | The Longest Day | 7.5 | 72 |
| 8 | The Pylon Express | 7.5 | 74 |
| 9 | Nice Day | 6.5 | 71 |
| 10 | Baby Sitter | 6.8 | 70 |
| 11 | The Musician | 7.1 | 71 |
| 12 | Split Personality | 7.3 | 66 |
| 13 | Blackout | 7.7 | 71 |
6.59 avg 13 episodes 6.7 → 6.6 24 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | After-Shock | 6.7 | 78 |
| 2 | Survival Kit | 6.5 | 66 |
| 3 | The Orb | 7.1 | 65 |
| 4 | Repairman | 6.8 | 70 |
| 5 | Medusa | 6.3 | 75 |
| 6 | Cornered | 6.9 | 63 |
| 7 | Flying Dutchman | 6.4 | 65 |
| 8 | Hot-Air Artist | 6.2 | 60 |
| 9 | Abominable Snowman | 5.8 | 62 |
| 10 | Timestop | 7.1 | 65 |
| 11 | Ancient Guardian | 6.9 | 58 |
| 12 | Scarab | 6.4 | 56 |
| 13 | Medicine Man | 6.6 | 65 |
