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13 Episodes 1976 - 1976
Episode 1
Sat, Sep 11, 1976 30 mins
Holly, Will and Cha-Ka are forced to rely on each other after a terrible loss in the third-season opener.
Episode 2
Sat, Sep 18, 1976 30 mins
The Marshalls' supplies are stolen by the Sleestaks, who now worship a new god.
Episode 3
Sat, Sep 25, 1976 30 mins
Will is made invisible by a strange Pylon.
Episode 4
Sat, Oct 2, 1976 30 mins
A scorching heatwave threatens to destroy the world, but a traveler from Britain arrives and he might have the knowledge to save the day.
Episode 5
Sat, Oct 9, 1976 30 mins
Holly is captured by a strange young woman.
Episode 6
Sat, Oct 16, 1976 30 mins
Jack and Holly battle a fire-breathing dinosaur in an attempt to rescue Will.
Episode 7
Sat, Oct 23, 1976 30 mins
An ancient ship appears in the Land of the Lost, and its captain is looking for a new crew.
Episode 8
Sat, Oct 30, 1976 30 mins
A man from the 1920s arrives in the alternate world via a hot-air balloon.
Episode 9
Sat, Nov 6, 1976 30 mins
Holly and Cha-Ka fall into the clutches of a monster while hunting a unicorn.
Episode 10
Sat, Nov 13, 1976 30 mins
Uncle Jack begs Enik to help Cha-Ka.
Episode 11
Sat, Nov 20, 1976 30 mins
A totem that defends the valley from a creature called the Ancient Guardian is accidentally removed by the Marshall family.
Episode 12
Sat, Nov 27, 1976 30 mins
Cha-Ka embraces his evil side after being bitten by a Scarab.
Episode 13
Sat, Dec 4, 1976 30 mins
The Marshalls seek a truce between two bitter enemies in the series finale.