1The Journey Begins
Scientist and explorer George Challenger learns from a dying colleague of a prehistoric world and organizes an expedition to find it.
2Stranded
Desperate to escape and more than a little greedy, Marguerite offers Veronica to a tribal chief in return for jewels and safe passage off the plateau for her group.
3More Than Human
When Roxton is running from a tyrannosaur, the earth suddenly swallows him up; the party follows a river to an underground ocean.
4Nectar
Stung by a giant bee, Summerlee lies near death; Challenger seeks a way to repel an attack by the ape-men.
5Cave of Fear
In order to free Challenger from her tribe, the team must retrieve the bones of a warrior queen's husband.
6Salvation
Christecs brand Summerlee a devil after he revives a drowning child.
7Blood Lust
A vampire bite elevates Roxton's hunting instincts to a bloodthirsty level; a smitten native will fight Malone to the death for Veronica.
8Out of Time
Druids worship Marguerite, who bears the mark of an ancient prophet; Veronica and Summerlee find a baby.
9Paradise Found
A search for Veronica's parents leads to a paradise guarded by prehistoric creatures and filled with beautiful, talented immortals.
10The Beast Within
Roxton, Challenger and Summerlee bring badly injured Malone to a magic healer in order to save his life.
11Creatures of the Dark
Challenger, Malone and Marguerite find a subterranean civilization after being trapped in an abandoned mine.
12Tribute
Roxton changes the lives of the Tintas when he kills a warrior from the Hikari tribe; a World War I flying ace crashes in the jungle and takes Marguerite, Malone and Summerlee as prisoners.
13Absolute Power
The adventurers come upon the ruins of a civilization destroyed by an enormous explosion.
14Camelot
After slapping a young king, Marguerite must choose between instant death or marrying the boy.
15Unnatural Selection
Challenger meets up with a former scientific rival; an old witch may have the key to an escape from the Lost World.
16Time After Time
Travelers from the future arrive in the Lost World to manipulate history.
17Prodigal Father
Veronica reunites with her father; the team must fight Kartas, a bounty hunter after Veronica's father.
18Birthright
Ramses, a vivified mummy, enlists Marguerite, Challenger and Malone to help him regain the Egyptian throne; a grieving dinosaur targets Summerlee.
19Resurrection
A dying Roxton makes an evil pact to regain his life and save Marguerite.
20The Chosen One
Roxton promises a teen's dying mentor to help the boy fulfill his destiny as savior of his people.
21Prophecy
A gypsy fortuneteller's visions eerily come true, leaving the band to fear for Malone's life.
22Barbarians at the Gate
Drakul and the Raiders shoot down the adventurers' balloon, beginning a game of cat and mouse.