27. The Lost Civilization (1966)
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.
Release date: 1966-04-13
User rating:
5.7 / 10
3 votes
Season number: 1
Episode number: 27
Runtime: 51 minutes
Director: Don Richardson
Writer: William Welch
Guest stars
Cast
Rest of the cast - click here to expand
Dick Tufeld - Robot B-9, Bob May - Robot B-9