The WORST episodes of The Lost World

Every episode of The Lost World ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Lost World!

Early 20th-century adventurers find themselves fighting for survival after their hot-air balloon crashes into a remote part of the Amazon, stranding them on a prehistoric plateau.

Last Updated: 8/11/2024Network: SyndicationStatus: Ended
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Unnatural Selection
star
6.74
73 votes

#1 - Unnatural Selection

Season 1 - Episode 15 - Aired 2/5/2000

Challenger, Roxton, and Veronica come upon an old friend of Challengers, who resembles the sadistic "creator" Dr. Moreau. Elsewhere, Summerlee, Malone, and Marguerite meet an elderly woman who has a radio headset.

Directors: Catherine Millar
Watch Now:Amazon
Under Pressure
star
7.07
43 votes

#2 - Under Pressure

Season 2 - Episode 14 - Aired 2/24/2001

The explorers have a strange guest at the Treehouse who impresses Challenger with his knowledge of geology. Meanwhile something attacks Challenger's electrostatic accumulator. The explorers chase after a group of underground dwellers whom they believe to be the culprits. Their guest turns out to be one of them, and the explorers are soon taken hostage. It turns out that the underground dwellers need Challenger's scientific expertise to help them evolve above ground.

Directors: Pino Amenta
Watch Now:AmazonApple TV
Ice Age
star
7.29
72 votes

#3 - Ice Age

Season 3 - Episode 11 - Aired 1/26/2002

When a blindingly bright meteor strikes the Plateau, Challenger, Roxton, and Marguerite set out to investigate the impact site. But the closer they get, the colder the temperature becomes. As the explorers turn back, they discover what appears to be a victim of the intense cold - a beautiful, blue-skinned woman, unconscious and nearly frozen. To save her life, the explorers take her back with them. When the frigid temperatures reach the Treehouse and all attempts to warm the woman makes her condition worse, Challenger suspects that things are not as they appear. Roxton and Marguerite are attacked by a group of blue-skinned male warriors and the truth becomes clear - the heat-absorbing meteorite now buried in the Plateau is the first step in a terrifying invasion of creatures who need the cold to survive.

Directors: Michael Carson
Watch Now:Amazon
A Man of Vision
star
7.38
68 votes

#4 - A Man of Vision

Season 2 - Episode 21 - Aired 5/19/2001

During a powerful thunderstorm on the plateau, all five of our heroes experience dreams and visions of their "lost" colleague, Summerlee, who had disappeared into a raging waterfall and presumed dead. Malone sets off after this ghost, and Challenger Marguerite and Roxton follow Ned. The three are ambushed by cannibals who fancy Marguerite's arm for an aperitif. Roxton and Challenger break free and save her, and then the three resume their hunt for Malone, only to be trapped by a hungry T-Rex. Ned meanwhile, has fallen and knocked himself out. He regains consciousness, concussed and thirsty, and follows Summerlee's ghost along a dry riverbed. He stumbles and twists his ankle, but still hobbles on. Summerlee appears to be leading him to the now dry waterfall where he was last seen.

Directors: Pino Amenta
Writer: Guy Mullally
Watch Now:Amazon
Quality of Mercy
star
7.42
72 votes

#5 - Quality of Mercy

Season 2 - Episode 16 - Aired 3/10/2001

Veronica and Malone are captured by an angry mob who need slaves to mine their quarry. They soon discover that their fellow prisoners are not human; they are machines who are helping aliens repair their spaceship. Will the aliens discover that our heroes are human?!

Directors: Ian Gilmour
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Camelot
star
7.47
73 votes

#6 - Camelot

Season 1 - Episode 14 - Aired 1/29/2000

Marguerite is the future Queen of Camelot as far as a boy King is concerned, but the explorers and Marguerite, as well as the King's crafty advisor don't agree.

Directors: Colin Budds
Writer: James Thorpe
Watch Now:AmazonApple TV
The Journey Begins
star
7.47
111 votes

#7 - The Journey Begins

Season 1 - Episode 1 - Aired 4/3/1999

A band of adventures sets off to prove the existence of dinosaurs deep in the forest of the Amazon. After an unfortunate accident leaves them stranded, they must put their trust in a jungle girl to save them from the dangerous predators on the plateau.

Directors: Richard Franklin
Watch Now:AmazonApple TV
The Impostors
star
7.57
74 votes

#8 - The Impostors

Season 3 - Episode 17 - Aired 4/8/2002

Challenger, Roxton, and Marguerite take Finn to a cave where one year earlier a blinding light opened a doorway to another reality. Once inside, the explorers witness an eerie apparition of a man Finn recognizes and fears. But when Finn races from the cave, the three figures who follow are not her friends-they're Kayle, Una, and Rixxel, three demons who have taken the place of Challenger, Roxton, and Marguerite. If the demons can remain on the Plateau for two days, they will permanently replace the explorers, and Kayle will be free to bring chaos and destruction to the world. In the final deadly showdown between Finn and the demons, Finn must make the decision of her life-save the future or save her friends. Until an unexpected sacrifice changes everything.

Directors: Catherine Millar
Writer: Guy Mullally
Watch Now:Amazon
Stranded
star
7.60
94 votes

#9 - Stranded

Season 1 - Episode 2 - Aired 4/3/1999

Marguerite makes a deal with a local chieftain to get off the Plateau. The deal is to hand over Veronica to the chief for marriage, something she wants no part of. Like all such schemes, things don't work out as planned and the team must fight a variety of threats in order to save the chiefs daughter, Veronica's virtue, and their own necks.

Directors: Richard Franklin
Watch Now:AmazonApple TV
A Witch's Calling
star
7.60
72 votes

#10 - A Witch's Calling

Season 3 - Episode 9 - Aired 1/12/2002

When a powerful witch named Dame Alice feels threatened by Challenger's science, she calls upon her two beautiful acolytes to help undo his power. In order to earn full witchhood, the two must lure Challenger's "guards" - Roxton and Malone - to the witch's castle while she goes head to head with the "wizard" - Challenger - herself. While the two young witches distract Roxton and Malone, Dame Alice visits the Tree house for a visit. In spite of Marguerite's protests and warnings, Challenger is intrigued by the witch's power and too easily lowers his guard. When Dame Alice sabotages Challenger's newest invention and almost kills him, it is only Marguerite's quick thinking that saves the scientist from his own folly. But in the end it is not Challenger's life that is in danger, but the lives of Roxton and Malone.

Writer: Guy Mullally
Watch Now:Amazon
The End Game
star
7.60
70 votes

#11 - The End Game

Season 3 - Episode 12 - Aired 2/2/2002

Ambushed in the jungle, Roxton narrowly escapes with his life only to learn that he has apparently cheated death once too often. The Grim Reaper, in the guise of a dark seductress - is determined to add his soul to her collection. Transported to her domain - a bleak and desolate wasteland - Roxton must face a series of challenges if he hopes to get out alive. And to make the game more interesting, Death raises the stakes by putting the lives of his friends on the line as well. Confronted by shifting rules and deception, Roxton cannot hope to win. At every turn, Death torments and goads him, encouraging him to abandon his friends to save himself. Round one goes to Death, rounds two and three as well, and with growing horror, Roxton loses Challenger, Veronica, and finally his beloved Marguerite to Death's netherworld inferno.

Directors: Karl Zwicky
Watch Now:Amazon
The Secret
star
7.62
76 votes

#12 - The Secret

Season 3 - Episode 14 - Aired 2/16/2002

A mysterious visitor attacks Veronica, leaving an enigmatic ivory tile as his calling card. But when Marguerite finds the tile, she hides it from the others because only she knows what it means… one of the deepest secrets of her past has finally caught up with her, and now endangers her life and those of her friends. Back on the Plateau, with her friends facing death because of her actions in the past, Marguerite has no choice but to finally reveal the real reason she funded the Challenger Expedition, and what she has come to the Plateau to find.

Watch Now:Amazon
The Elixir
star
7.66
70 votes

#13 - The Elixir

Season 3 - Episode 18 - Aired 4/15/2002

Hoping to end starvation, Challenger becomes the first human subject to test his new experimental substitute for food. But his nutritional beverage is not as successful for him as it was for his lab mice, and he quickly becomes obsessed with discovering the reason why. Then obsession leads to madness as Challenger is confronted by two opposing hallucinations. The first is a vision of himself as a young, driven scientist. The second is his beloved wife, Jessie, as he left her in London three years earlier. Unconscious and near death, Challenger is finally discovered by his friends. But will their limited medical knowledge be enough to reverse the ravages of his experiment, without placing him in even greater peril?

Directors: Colin Budds
Watch Now:Amazon
Suspicion
star
7.66
73 votes

#14 - Suspicion

Season 3 - Episode 16 - Aired 3/2/2002

When a lost archaeological expedition discovers a mysterious burial urn, the young student who opens it suddenly collapses in convulsions. Though she quickly recovers, Professor Hamilton, the expedition's leader, suspects she's contracted a disease from the urn's skeletal remains. He believes that's the only rational explanation for the inscription on the urn, warning that an evil demon is imprisoned within. But the next day, Roxton and Marguerite discover the expedition's camp has been torn apart, and that of all the archaeologists only two survive-Hamilton and his rival, Professor Campbell. In a tense standoff, the two men claim the other is possessed by the demon. Roxton's and Marguerite's intervention only succeeds in making the archaeologists suspect the demon has jumped into one of the two explorers.

Directors: Ian Gilmour
Watch Now:Amazon
Tapestry
star
7.67
73 votes

#15 - Tapestry

Season 3 - Episode 19 - Aired 4/22/2002

When Challenger discovers the wreckage of a World War I transport plane, he's captured by its pilot, Lieutenant Drummond. Drummond has been stranded for five years since the crash, protecting the plane's cargo crate of iridium ingots stolen from the Royal Navy. Challenger is astounded to see the iridium because it had been intended for his secret wartime research. The sight of it prompts him to remember the night five years earlier, when he was questioned about the theft by two British intelligence agents working for MI5. Back on the Plateau, when Challenger and Drummond arrive at the Treehouse, Marguerite recognizes the iridium, too as she also was a suspect in its theft, and she recalls her own MI5 interrogation, the same night Challenger was questioned. Amazing twists and turns. We find out that there may be more than just coincidence that has brought our small group to the plateau.

Directors: Geoffrey Nottage
Watch Now:Amazon
Blood Lust
star
7.69
108 votes

#16 - Blood Lust

Season 1 - Episode 7 - Aired 10/30/1999

While wandering the plateau, Roxton is attacked by a young man, who bites him during the struggle. Roxton's infected with a disease whose symtoms are slightly bizarre ~ intense craving for blood, pain when exposed to sunlight, a powerful feeling of kinship with nature and "creatures of the night" - he is as a vampire. He runs mad and into the gothic mansion of Calista, a beautiful woman with the same disease. Back at the treehouse, a young native man, Niko, comes forward, declaring his love for Veronica. He and Malone argue and decide to fight to the death for her; she is not pleased! Outside the treehouse, Malone and Niko do start to fight, but quickly stop when Veronica tells them she will kill herself to stop them, and has a knife at her stomach to prove it. Niko leaves, but tells her he'll never forget her. Veronica remains mad at Malone for a while for trying to fight her battles. In the meantime, Marguerite and Challenger discover all about the disease, and search for Roxton, not

Directors: Richard Franklin
Writer: James Thorpe
Watch Now:AmazonApple TV
Fire in the Sky
star
7.71
75 votes

#17 - Fire in the Sky

Season 3 - Episode 6 - Aired 11/24/2001

Challenger, Malone and Veronica are exploring ruins on a riverbank, when a man stumbles out of the jungle in a hail of deadly arrows. Malone drags the wounded man to safety, who dies in their arms issuing a cryptic message to find a man named Pierson Rice. Challenger recognizes the name as that of a vain glorious hunter whom Roxton once held in high regard. The trio send a message to Roxton and Marguerite, then hurry on in search of Rice. Roxton is disgusted to learn that his one-time hero may be alive and well. Arriving at a native village, our heroes discover that Rice is far from peril -- in fact, he has made the natives his loyal subjects. With the help of his cold-hearted lieutenant, Rice plans to eliminate the queen and marry her beautiful daughter to consolidate his power.

Directors: Guy Mullally
Watch Now:AmazonApple TV
The Knife
star
7.72
75 votes

#18 - The Knife

Season 3 - Episode 5 - Aired 11/17/2001

When Malone finds a knife, he is transported back to the East End of London in 1888, the scene of Jack the Ripper's brutal murders. In the nightmare of his visions, Malone sees his friends playing key roles in the crimes, both as conspirators and victims. Meanwhile, Veronica is approached by a famous British doctor, who enlists her to help find his missing knife. Could this man be Jack the Ripper? Or is it the Scotland Yard Inspector who runs into Roxton and Marguerite? Charmed by the Inspector and his claim to know a way off the plateau, Marguerite is eager to assist him in apprehending the Ripper. Marguerite realizes she could be walking into a deadly trap. Veronica is left to confront and defeat the infamous killer to prevent the murderous cycle from being repeated on the plateau.

Directors: Michael Offer
Writer: Guy Mullally
Watch Now:Amazon
Survivors
star
7.73
73 votes

#19 - Survivors

Season 2 - Episode 18 - Aired 4/28/2001

Challenger and Marguerite discover an ancient Temple whose entrance is guarded by a carving of three armed warriors. When Marguerite falls into a pit of spikes, Challenger must leave her, to get help. As he leaves, the Guardians come to life. While Marguerite lies bleeding, she hallucinates. As Challenger is returning with the others, the Guardians attack them with invincible strength, but stop suddenly when they see Malone bleeding from a chest wound. While Veronica takes Malone home, the others hurry to the temple. When Roxton and Challenger reach her, Marguerite is baffled when they can see her hallucination, Adrienne. Following Adrienne's claims there is an exit from the plateau via the Temple, Challenger follows her map to the Temple's altar where he is confronted by William Maple White, a dead colleague whose journals had led him to the Lost World.

Directors: Ian Gilmour
Watch Now:AmazonApple TV
Finn
star
7.73
74 votes

#20 - Finn

Season 3 - Episode 15 - Aired 2/23/2002

Using the Plateau's mysterious energy lines as a source of power, Challenger constructs a machine to send the explorers back to London. But when he, Roxton, and Marguerite find themselves in the same place they started from, they conclude the machine is a failure and head back to the Treehouse-only to discover the Treehouse is gone! While investigating what else has changed, Roxton is captured by slavers with automatic weapons and stripped-down cars, and learns the shocking truth-he and his friends are in the year 2033, eighteen years after an apocalyptic war devastated every place on Earth except for the Plateau.

Directors: Geoffrey Nottage
Writer: Guy Mullally
Watch Now:Amazon
True Spirit
star
7.74
77 votes

#21 - True Spirit

Season 3 - Episode 4 - Aired 11/10/2001

An unsettling dream and a ghostly encounter convince Veronica that Malone is trapped in the spirit realm and needs her help to escape. At the same time, Assai and Challenger investigate a mysterious symbol burned into a field of grass, which Assai identifies as the mark of Saros, a bloodthirsty warlord who was overthrown by the Zanga and died swearing to return from the grave to wreak vengeance on the living. Back at the treehouse, Marguerite and Veronica use a Ouija board to contact Malone, which results in a frightening display of poltergeist-like activity, and a brief, but terrifying manifestation of Saros. Assai is convinced that any new attempt to rescue Malone from the spirit realm threatens to release Saros instead.

Directors: Michael Offer
Watch Now:Amazon
Brothers in Arms
star
7.75
71 votes

#22 - Brothers in Arms

Season 3 - Episode 10 - Aired 1/19/2002

When Keeran Raiders attack, a deadly poison dart forces Malone to relive a long-suppressed memory-his baptism of fire as a battlefield correspondent in World War I. Caught up in this nightmarish hallucination, Malone is once again an untried reporter cut off from Allied lines when an enemy advance pushes deep into No Man's Land. When the three battle-weary British soldiers who've been assigned to escort him are picked off by enemy action, the young reporter who's never fired a gun must take up arms to save his own life and the life of a wounded sergeant.

Directors: Michael Offer
Watch Now:Amazon
The Travelers
star
7.75
71 votes

#23 - The Travelers

Season 3 - Episode 2 - Aired 10/27/2001

While searching for the missing Malone, Marguerite is saved from a cannibal attack by a dashing trio of bandits. Their leader, the elegant Francois Locke, invites her to join his band of thieves. Marguerite declines his offer, only to be presented with proof that Locke can give her what she desires most - a way off the Plateau. Meanwhile, as Challenger, Roxton, and Veronica search for Marguerite, they discover evidence that the bandits are something other than human. Even worse, they receive a ransom note from them, demanding Marguerite's jewels in exchange for her release. But when they deliver the ransom, they're shocked to see that Marguerite isn't a prisoner at all - she appears to have joined Locke's group!

Directors: Michael Offer
Writer: Guy Mullally
Watch Now:Amazon
The Visitor
star
7.77
71 votes

#24 - The Visitor

Season 2 - Episode 20 - Aired 5/12/2001

When Malone is slashed by a beast in the jungle, he shoots wildly. While looking for the animal, he and Veronica come across Danu, her childhood sweetheart, wounded, and warning them of the danger from this beast. Later that night, the team is disturbed by a howling animal, and discovers Danu gone and Malone feverish. Marguerite stays to nurse Malone, the others search for Danu, hoping to learn more about Malone's condition. Veronica leads them to his village, where only a witchdoctor and a few warriors armed with silver-tipped weapons, remain. The witchdoctor tells them that Danu has become a werewolf and must be killed by silver or fire, there is no cure. She gives Veronica a potion to delay the onset of Malone's transformation, then sends Challenger and Roxton to the Valley of Shadows where the werewolves live. Danu, wanting to transform Veronica to a werewolf like him, drives her towards the Valley of Shadows.

Directors: Colin Budds
Writer: Guy Mullally
Watch Now:Amazon
Birthright
star
7.79
71 votes

#25 - Birthright

Season 1 - Episode 18 - Aired 2/26/2000

Deep in the jungle, Marguerite, Challenger and Malone come upon a half-buried, mummified corpse. They are shocked when it shows signs of life. They learn the would-be corpse, Ramses, is Egyptian royalty. He weaves a tale about a wonderful kingdom with untold riches and how he was to become king. He then enlists our heroes in a plan to reclaim the throne he says has been stolen from him by his sister, Nefertiti. After agreeing to help, the three discover there is more to the dispute than Ramses is revealing. He rules with an iron fist, enslaving his former enemies. He blinds his sister, and leave her to die. Marguerite, Challenger and Malone help her escape. The adventurers decide they must defeat Ramses by convincing the true heir, Nefertiti, to accept the responsibility of rule, and helping her regain control. Meanwhile, Summerlee is relentlessly pursued by a T-Rex after she mistakenly believes him responsible for the death of her babies. Roxton and Veronica must help their friend or

Directors: Catherine Millar
Watch Now:Amazon