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

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

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

Will and Holly are lured to the Lost City by a hypnotic stone which shows them a vision of their dead mother.

When the sun stands still, the Sleestak wrongfully blame Rick for tampering with the pylon.

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.

While searching the temple in the Lost City, Holly gets a ring stuck on her finger and Cha-Ka unwittingly awakens the Builder.

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

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 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.

A troublesome baby brontosaurus follows Will and Holly home.

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

The Zarn is to blame when gravity begins weighing down the inhabitants of the Land of the Lost.

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 runaway canoe sends Holly careening into the clutches of a mysterious young woman. "Meddy" implores the youngest Marshall to relax, to spend some time here in her garden admiring the remarkably lifelike statues . . . Will Holly realize her rescuer's true identity before it is too late?

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

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 mysterious Captain tries to take Holly away on his flying ship.

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.

Someone has been tampering with the crystal matrix tables . . . Soon solar flares are raging out of control. As the world withers and dies under the intense heat, an unflappable British visitor arrives with curious knowledge about the troubled realm.

Cha-Ka's evil side is unleashed after being bitten by a beautiful beetle.

A deadly fever strikes Holly just as the Sleestaks make off with the family's medical supplies! Enik insists that the thievery is warranted, that tribute must be paid to Malak - a new, all-powerful god. Can Uncle Jack outsmart the Cro-Magnon con artist with some modern "magic" of his very own?

A yeti comes to call when Holly stakes claim to its unicorn

The Marshalls get caught in the middle when a feuding soldier and Indian wander into the Land of the Lost.

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

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