Will and Holly save a Pakuni ape-boy named Cha-Ka from Grumpy the Tyrannosaurus Rex.

While searching the Lost City, Will and Holly are captured by lizard-men which are known as Sleestak.

The Marshalls attempt to escape the Land of the Lost by river and wind up trapped in a cave with a daffy Confederate miner.

While fleeing from the jaws of dinosaurs, the Marshalls and the Pakuni are forced to work together.

The Marshalls meet Enik, an intelligent, time-traveling relative of the Sleestak.

When Will and Holly find a way into a pylon, they discover a device which summons a terrible storm.

Rick joins forces with an intelligent Sleestak when they end up rooming together with the hungry Sleestak God in the Hole of No Return.

Cha-Ka is invited to dine with the Marshalls. Meanwhile, Holly's perfume drives the locals wild!

When Rick is shocked by magical crystals, Holly is forced to bring him home while Will goes to Enik for help.

The Marshalls find half a diary from a former human resident of the Land of the Lost that might hold the key to returning to the real world.

The Marshalls have to barter with the Pakuni to reverse a drought.

A mysterious woman named Rani steps through a time door and gives Holly advice on dealing with her fears and helping her family.

While fooling with a pylon, Will opens a time door that brings an astronaut and a hurricane to the Land of the Lost.

The Marshalls learn that their arrival in the Land of the Lost created a paradox in the door of time that's preventing Enik from returning home.

When Dopey gets stuck in a tar pit, the Marshalls and Cha-Ka band together to try to pull him out.

While investigating the Mist Marsh, the guys stumble onto a mysterious woman who has a bit too much in common with Rick.

When Rick stumbles into a pig trap with three Sleestak, Will and Holly turn to Enik and Ta for help rescuing him.

Cha-Ka gets some help from Will and Holly stealing one of Big Alice's eggs to pass the Pakuni rite of manhood test.

Holly tries to save Rick and Will after they go into a pylon to investigate a time door.

A quiet day of fishing, trap building and cake making turns serious when Holly is pricked by a poisonous plant.

When Holly spends the night alone with Cha-Ka, the Zarn causes a rift between Cha-Ka and Ta.

Enik seeks Rick's help when the Sleestak execute a nefarious plan to plunge the world into darkness and overpopulate it with their offspring.

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.

Stung by Torchy's poisonous tail, Will's fate hangs in the balance! Enik refuses to reveal the antidote unless the family rids the valley of the pesky fire-breathing dinosaur - forever. Soon Uncle Jack and Holly find themselves in a desperate race against time, one they all too easily can lose!

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.