Land of the Lost Archive Collection (1974 & 1991)

Land of the Lost is a children's adventure television series created (though uncredited) by David Gerrold and produced by Sid and Marty Krofft, who co-developed the series with Allan Foshko. It is a live action show mixed with claymation animated dinosaurs. During its original run, it was broadcast on the NBC television network

That's Right in this Post your getting Both Land of the Lost Series 1974 & 1991

Details on both below :

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Land of the Lost (1974):

Land of the Lost details the adventures of the Marshall family (father Rick and his children Will and Holly), who are trapped in an alternate universe or time warp inhabited by dinosaurs, a primate-type people called Pakuni, and aggressive humanoid/lizard creatures called Sleestak. The series opens with a theme song accompanied by a banjo like instrument and a synthesizer. The episode storylines focus on the family's efforts to survive and find a way back to their own world, but the exploration of the exotic inhabitants of the Land of the Lost is also an ongoing part of the story

Contains All 43 Episodes 

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Land of the Lost (1991):

The series ran for 26 episodes spread over two seasons, with each season consisting of 13 episodes. It featured the Porter family - father Tom, son Kevin and daughter Annie - trapped in a parallel universe after their Jeep Cherokee fell through a time portal while exploring the back country. They soon meet another human, a "beautiful" jungle girl named Christa who came from 1960s San Francisco

Contains All 26 Episodes 

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Bonus: 

Land of the Lost (2009)

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