Rick Marshall and his children Will and Holly are on a weekend expedition rafting down a river when an enormous earthquake diverts them to an eclectic alien world inhabited by dinosaurs, chimpanzee-like cavemen called Pakuni, and aggressive, humanoid lizard creatures called Sleestak.
Is this the best episode?
The peak run. Top 40% of seasons by average rating — consecutive, with an average of 7.79.
Loading episode ratings...
Spencer Milligan
Rick Marshall
Wesley Eure
Will Marshall
Philip Paley
Cha-Ka
Kathy Coleman
Holly Marshall
Walker Edmiston
Enik
All 34 episodes plotted by IMDb rating
Loading episode ratings...
This may take a moment for shows with many seasons.
17 episodes • 1974Avg: 7.8Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Cha-Ka | Sep 7, 1974 | 8.0 |
| 2 | The Sleestak God | Sep 14, 1974 | 8.0 |
| 3 | Dopey | Sep 21, 1974 | 7.0 |
| 4 | Downstream | Sep 28, 1974 | 8.0 |
| 5 | Tag-Team | Oct 5, 1974 | 8.0 |
| 6 | The Stranger | Oct 12, 1974 | 8.0 |
| 7 | Album | Oct 19, 1974 | 7.0 |
| 8 | Skylons | Oct 26, 1974 | 8.0 |
| 9 | The Hole | Nov 2, 1974 | 8.0 |
| 10 | The Paku Who Came to Dinner | Nov 9, 1974 | 8.0 |
| 11 | The Search | Nov 16, 1974 | 8.0 |
| 12 | The Possession | Nov 23, 1974 | 7.0 |
| 13 | Follow That Dinosaur | Nov 30, 1974 | 8.0 |
| 14 | Stone Soup | Dec 7, 1974 | 8.0 |
| 15 | Elsewhen | Dec 14, 1974 | 8.0 |
| 16 | Hurricane | Dec 21, 1974 | 8.0 |
| 17 | Circle | Dec 28, 1974 | 7.5 |
13 episodes • 1975Avg: 7.7
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Tar Pit | Sep 6, 1975 | 8.0 |
| 2 | The Zarn | Sep 13, 1975 | 8.0 |
| 3 | Fair Trade | Sep 20, 1975 | 8.0 |
| 4 | One of Our Pylons is Missing | Sep 27, 1975 | 6.7 |
| 5 | The Test | Oct 4, 1975 | 8.0 |
| 6 | Gravity Storm | Oct 11, 1975 | 0.0 |
| 7 | The Longest Day | Oct 18, 1975 | 0.0 |
| 8 | The Pylon Express | Oct 25, 1975 | 8.0 |
| 9 | A Nice Day | Nov 1, 1975 | 8.0 |
| 10 | Baby Sitter | Nov 8, 1975 | 8.0 |
| 11 | The Musician | Nov 15, 1975 | 0.0 |
| 12 | Split Personality | Nov 22, 1975 | 0.0 |
| 13 | Blackout | Nov 29, 1975 | 7.0 |
13 episodes • 1976Avg: 7.4
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | After-Shock | Sep 11, 1976 | 7.3 |
| 2 | Survival Kit | Sep 18, 1976 | 6.7 |
| 3 | The Orb | Sep 25, 1976 | 8.0 |
| 4 | Repairman | Oct 2, 1976 | 0.0 |
| 5 | Medusa | Oct 9, 1976 | 0.0 |
| 6 | Cornered | Oct 16, 1976 | 8.0 |
| 7 | Flying Dutchman | Oct 23, 1976 | 0.0 |
| 8 | Hot-Air Artist | Oct 30, 1976 | 8.0 |
| 9 | Abominable Snowman | Nov 6, 1976 | 7.0 |
| 10 | Timestop | Nov 13, 1976 | 0.0 |
| 11 | Ancient Guardian | Nov 20, 1976 | 8.0 |
| 12 | Scarab | Nov 27, 1976 | 0.0 |
| 13 | Medicine Man | Dec 4, 1976 | 6.0 |
