The Marshalls get caught in the middle when a feuding soldier and Indian wander into the Land of the Lost.
Cha-Ka's evil side is unleashed after being bitten by a beautiful beetle.
The yeti goes on a rampage when the Marshalls disturb an ancient Sleestak statue.
Will and Holly find a crystal that holds the key to time travel, which they must use to save Cha-Ka from certain death.
A yeti comes to call when Holly stakes claim to its unicorn
A hot air balloonist crashes on the Land of the Lost and promises to bring the Marshalls back to civilization... though he only intends to return with their uncivilized friend Cha-Ka.
A mysterious Captain tries to take Holly away on his flying ship.
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.