1974–1976 · TV-G · 3 seasons · 43 episodes · Action & Adventure, Sci-Fi & Fantasy, Family, Comedy
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.
Created by Marty Krofft, Sid Krofft
Network: NBC
Rated 7.2/10 by 51 viewers