Rick Marshall and his children Will and Holly were on a weekend expedition rafting trough a river when an enourmous earthquake diverts them to an eclectic alien world inhabited by dinosaurs, chimpanzee-like cavemen called Pakuni, and aggressive, humanoid creatures called Sleestak.
A mysterious woman named Rani steps through a time door and gives Holly advice on dealing with her fears and helping her family.
Holly tries to save Rick and Will after they go into a pylon to investigate a time door.
Will and Holly are out and about, and they find a baby brontosaur, which Holly names Dopey, and Holly plans to keep him, but that might be a problem.....
While investigating the Mist Marsh, the guys stumble onto a mysterious woman who has a bit too much in common with Rick.
When Will and Holly find a way into a pylon, they discover a device which summons a terrible storm.
Will and Holly go adventuring and find the Lost City and Sleestak, lizard men that don't behave. Cha-ka gets Rick and they go looking for them with trouble and suprises on the way......Watch Now:iTunes
While fleeing from the jaws of dinosaurs, the Marshalls and the Pakuni are forced to work together.
A mysterious pylon turns Will invisible! Perhaps this startling new power can enable him to free Enik - putting an end to the Sleestaks' foolish plan of unleashing the destructive powers of the orb and plunging the land forever into total darkness.
Holly, Will, and Cha-Ka band together in the wake of devastating losses. Realizing that they now only have each other, the unlucky trio struggles to survive on their own until everybody's fortunes take a surprise turn for the better via a reunion with Uncle Jack!