![The Lost Civilization](https://image.tmdb.org/t/p/w500/cW5zmGlnfgPBQhEhRv4QGVY1xbQ.jpg)
The Robinson men discover an underground civilization while exploring the planet. Will wakes a sleeping princess who wants him to remain and rule with her.
Title | The Lost Civilization |
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Genres | Sci-Fi & Fantasy Comedy |
Release Date | 1966-04-13 |
Episode Runtime | 01 Hours 00 Minutes |
Season Number | 1 |
Episode Number | 27 |
Production Companies | Irwin Allen Productions, 20th Century Fox Television |