Season 1 (1972)
5.18 avg 16 episodes 5.6 → 6.3 22 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Lassie and the Spirit of Thunder Mountain | 5.6 | 10 |
| 2 | Lost | 2.4 | 11 |
| 3 | The Animals Are Missing | 5.2 | 10 |
| 4 | Mystic Monster | 5.2 | 11 |
| 5 | Lassie's Special Assignment | 5.1 | 9 |
| 6 | The Imposters | 6.3 | 11 |
| 7 | Deadly Cargo | 2.5 | 11 |
| 8 | Grizzly | 6.3 | 11 |
| 9 | Deepsea Disaster | 6.8 | 10 |
| 10 | Black Out | 6.4 | 10 |
| 11 | Arctic Adventure | 5.0 | 10 |
| 12 | The Sunken Galleon | 1.8 | 11 |
| 13 | Goldmine | 4.9 | 9 |
| 14 | Rodeo | 5.8 | 9 |
| 15 | Hullabaloo in Hollywood | 7.3 | 9 |
| 16 | Tidal Wave | 6.3 | 9 |
