Season 1
Episode: 1x01 | Airdate: Apr 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.
Episode: 1x02 | Airdate: Apr 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.
Episode: 1x03 | Airdate: Oct 2, 1999
Roxton is looking for the materials for a crossbow to bag a T-Rex, but when one actually interrupts him in his labors, he runs in the direction opposite his fellow travelers to keep them safe. He winds up falling into a hole that suddenly opens up. When the rest of the group search for him, they also fall into the hole, which turns out to be a whirlpool. It sucks them all under the water, and they emerge in a lake. They quickly find out that in this part of the plateau, the dominant species are lizard-like men, descendants of dinosaurs, and the humans are subservient to them. There is an ancient Roman structure to this civilization, including gladiator-type battles. While Marguerite and Veronica are forced to change into silky gowns for the entertainment of Tribune, the lizard-people's leader, Roxton is chosen to fight another human prisoner. The slaves and travelers rebel, and overthrow the lizard-men's intolerable rule, but not without loss ~ Roxton's opponent's sister ~ a rebel leader.
Episode: 1x04 | Airdate: Oct 9, 1999
Veronica and Summerlee are out gathering fruit and floral specimens when they are attacked by a huge bee, one the size of a man. Summerlee is stung, and it leaves him near death. The only cure is the nectar in the heart of the hive. Veronica, Malone and Roxton travel to the hive, leaving Challenger and Marguerite behind at the treehouse to care for Summerlee. Summerlee is delirious with fever, and imagines Marguerite is his long-dead wife. She plays along, to sooth him. In the meantime, Veronica, Malone and Roxton do make it to the hive, work their way deep into it, gather nectar, and head back quickly to the treehouse, just in time to save Summerlee's life.
Episode: 1x05 | Airdate: Oct 16, 1999
Challenger, Malone and Veronica are searching for sulfur, in order to make more gunpowder, when they walk into a burial ground. They are attacked by warriors in black and white paint who capture Challenger. That night the group sneaks into the warriors' village...to find Challenger sitting quietly and drinking tea with a beautiful blonde woman named Cassandra. She and her husband had been part of an early expedition, also stranded and found by the warriors tribe twelve years ago; they were soon made king and queen there. She tells our group that going onto the burial grounds was considered taboo, and for this Challenger would have to remain captive for life. The only way they can save him is by going to the Cave of Fear and retrieving her husband's bones for burial. They set off, but soon discover why the cave is avoided ~ it's walls are covered in a hallucinogenic fungus, with a really nasty additional effect. It drives those affected to suicide - which Cassandra apparently knew when
Episode: 1x06 | Airdate: Oct 23, 1999
In this episode, Challenger, Summerlee and Veronica save a little girl from drowning and Summerlee has to give her mouth to mouth resuscitation. Tolmac, of the Christec people, brands Summerlee a witch for bringing the girl "back to life". The Christecs have mingled the Catholic and Aztec religions, with a touch of Conquistador Inquisition, to form their theocracy. Veronica gets away to summon help from the others, but Challenger has to act as Summerlee's lawyer ~ if found guilty, both men will be burned at the stake.
Episode: 1x07 | Airdate: Oct 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 symptoms 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.
Episode: 1x08 | Airdate: Nov 6, 1999
Roxton, Marguerite and Malone are mapping a series of caves, trying to find one that leads off the plateau without much luck. Marguerite, all the while, has been gathering gleaming gemstones in her backpack. At least she will not go back empty handed. A fog begins to fill the air around them...dense...deep fog. From out of the mist forms take shape: cloaked figures and eerie rock formations, encircling a stone slab. They find themselves surrounded by Druid-like figures who swarm over Marguerite. Roxton tries desperately to protect her, but she is torn from his grasp.
Episode: 1x09 | Airdate: Nov 13, 1999
The aged guide who brought Veronica's parents to the Lost World dies in Challenger and Veronica's arms, humming "Ode to Joy", leading the explorers to seek out a hidden paradise, where Veronica suspects her parents might be.
Episode: 1x10 | Airdate: Nov 20, 1999
While out in the jungle, Malone is hit in the neck with a poisoned dart and dies. A shaman, Lento, heals him and Malone is brought back to life, but Lento has been driven mad. He is sentenced to die by his village, but Malone rescues him. Summerlee is kept captive and will die unless Malone, Roxton and Challenger can bring Lento back. Lento leads them a merry chase, having booby-trapped the jungle, but the men do eventually catch up to him , and he is killed. In the meantime, back at the treehouse, Veronica and Marguerite have had a huge fight, and wind up down an old well, with a hungry dinosaur waiting for them above and snakes, water and each other, in the hole!
Episode: 1x11 | Airdate: Nov 27, 1999
Tracking a stream, Challenger, Veronica, Malone and Marguerite run into a group of Vantu headhunters. There is nowhere to run or hide, except in what looks like an overgrown cave opening. They dash into it only to discover it is man-made, an old, crumbling mine shaft. There's a loud rumbling that leads to a cave-in. Veronica escapes, but the others are trapped inside. Near death from suffocation, they are saved by Garza, part of a group banished to the mine by a plague-like disease, and led by a blind little boy known as The Oracle. The boy decrees our group must remain underground forever, and is unswayed even by Challenger's discovery that the tremors are caused by a sleeping volcano waking up around them. On the outside, Veronica manages to get Roxton and Summerlee from the treehouse, but they meet up with the Vantu again, who are not easily persuaded to let them rescue the others from their mountain prison.
Episode: 1x12 | Airdate: Jan 15, 2000
Roxton saves Tayra of the Tinta people from a Hikari warrior who is chasing her. The two men fight and the Hikari man is killed. Roxton discovers that the Tintas live in fear of the fierce Hikari, and pay them a tribute to ensure the Hikari leave them in peace and protect them from other dangers. The Tinta are very peaceful, a fishing and gathering tribe, and do not know how to fight, but are determined to stop the tribute practice, but freedom may come at a high price. Roxton and Veronica teach them some fundamentals of hand to hand, help set up some traps to slow the Hikari down and help the Tinta organize in defense of their village, which the Hikari are due to strike, since there was no tribute paid. Challenger reluctantly helps, since he is not sure whether the Tinta are going to survive the fight ~ he does rouse them the night before with some inspring words from Shakespeare.
Episode: 1x13 | Airdate: Jan 22, 2000
When he finds a powerful crystal, Professor George Challenger gains the powers of a God, putting himself and the other explorers in great danger.
Episode: 1x14 | Airdate: Jan 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.
Episode: 1x15 | Airdate: Feb 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.
Episode: 1x16 | Airdate: Feb 12, 2000
Though the explorers find a gateway that can transport them back home, following them are enemies: one who doesn't want them to return, and one who does but wants them to bring a deadly virus with them.
Episode: 1x17 | Airdate: Feb 19, 2000
Veronica thinks she has found her father, but instead she has found an imitator, with deceit in mind.
Episode: 1x18 | Airdate: Feb 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.
Episode: 1x19 | Airdate: Mar 4, 2000
After days of searching the mountains for a pass off the plateau, Roxton and Marguerite are camped for the night when they are taken by surprise by Norse warriors. Roxton is run through with a sword by the leader, Ursula. As he sinks to his knees, Marguerite is hauled off by the raiders. Near death, Roxton is visited by a mystical young boy named Osric, who offers a deal.
Episode: 1x20 | Airdate: Apr 22, 2000
Teenage Gideon and his mentor Davos are on a mission to fulfill the boy's destiny of leading his tribe of Moya out of the bondage of the evil Goths. Roxton and Marguerite come upon them, just as Davos is fatally wounded in a Goth attack. Before he dies, Davos charges Roxton with ensuring Gideon and the "Star of Hope" quarterstaff he carries, reach their destination. What they discover is that Gideon has been taken from his parents as a child, raised by monks, and chosen to lead his people from the isolated caves where they have hidden for a generation.
Episode: 1x21 | Airdate: May 13, 2000
When the explorers rescue a fortune teller from her runaway horses, she tells them their future, which begins to come true little by little, but in a different way than they expect.
Episode: 1x22 | Airdate: May 20, 2000
The explorers are caught in the middle of a war between Tribue, with gunpowder in toe, and Drakul and his barbaric raiders. One of them will be lost, possibly forever, when this battle reaches its cliffhanger!
Season 2
Episode: 2x01 | Airdate: Oct 7, 2000
The adventurers discover they have lost Summerlee and have to withstand attacks from both humans and monsters. Tribune saves Roxton from the waterfall.
Episode: 2x02 | Airdate: Oct 14, 2000
Roxton, Malone and Challenger help an Amazon woman attacked by a Raptor. Challenger gets injured and the Amazon tribe repay the adventurer by healing him, but have other things in mind for the men.
Episode: 2x03 | Airdate: Oct 21, 2000
Challenger has made a windmill to produce electricity, a storm brews and ball lightning creates a portal that allows a helicopter with engine trouble to come through from the year 2000. This brings up the question of time travel once more.
Episode: 2x04 | Airdate: Oct 28, 2000
Our adventurers end up in a haunted castle with secret passages, cobwebs and all. After some strange circumstances, they feel compelled to re-enact an intriguing murder/mystery which eventually leaves their fate in the hands of Challenger.
Episode: 2x05 | Airdate: Nov 4, 2000
A horse with no rider approaches our adventurers. Roxton mounts it and gets taken to the clutches of an evil wizard who wants to use Roxton for evil doing.
Episode: 2x06 | Airdate: Nov 11, 2000
An alien skeleton army takes over the bodies of Marguerite and other life forms in the jungle.
Episode: 2x07 | Airdate: Nov 18, 2000
Malone's dream of successfully returning to his wonderful life and beautiful fiance in London, appear to come true.
Episode: 2x08 | Airdate: Nov 25, 2000
A mystery woman tells Veronica that her parents are alive. Veronica then unwittingly releases a savage giant from captivity. Marguerite and the others must then subdue him again.
Episode: 2x09 | Airdate: Jan 20, 2001
Tribune asks for help when he is being hunted, but our heroes are captured by the Lizard Empress and sent to the Gladiators Arena.
Episode: 2x10 | Airdate: Jan 27, 2001
During a drought, the explorers find a young woman, Anna, with the secret of eternal youth which Marguerite is very interested in - but is there a catch?
Episode: 2x11 | Airdate: Feb 3, 2001
When some unscrupulous hunters come to the Lost World, Veronica is captured in order to become a freak show specimen.
Episode: 2x12 | Airdate: Feb 10, 2001
A beautiful woman stranger, Danielle, with a powerful and deadly secret, manages to seduce Roxton.
Episode: 2x13 | Airdate: Feb 17, 2001
Challenger is caught in a trap and freed by some children and then finds himself in trouble with their protector.
Episode: 2x14 | Airdate: Feb 24, 2001
A stranger, Alex, appears from an expedition trying to find a source of the Amazon, and when Veronica and Marguerite fall for him, sparks begin to fly.
Episode: 2x15 | Airdate: Mar 3, 2001
The explorers find another world after entering a cave, but do they have the misfortune to find a place even more dangerous than the Lost World?
Episode: 2x16 | Airdate: Mar 10, 2001
Veronica and Malone are captured by slave masters, who are like nothing on Earth.
Episode: 2x17 | Airdate: Apr 21, 2001
A mysterious amulet brings out our heroes animal instincts, and they learn all about animal magnetism.
Episode: 2x18 | Airdate: Apr 28, 2001
The explorers release supernatural forces from a temple which threaten to destroy them.
Episode: 2x19 | Airdate: May 5, 2001
Roxton and Marguerite discover some pirate's treasure that comes with a curse, this however does not put off Marguerite about keeping it at first, but other circumstances eventually change her mind.
Episode: 2x20 | Airdate: May 12, 2001
Life in the tree-house gets difficult as werewolves make life a nightmare.
Episode: 2x21 | Airdate: May 19, 2001
Our heroes are led to the edge of disaster by a visitor from the past.
Episode: 2x22 | Airdate: May 26, 2001
An airship lands on the plateau and opens an escape route to the explorers.
Season 3
Episode: 3x01 | Airdate: Oct 20, 2001
The story of the airship continues with a deadly airship crash, that traps Challenger and company seven years in the past.
Episode: 3x02 | Airdate: Oct 27, 2001
A trio of dashing bandits with a deadly secret appear on the plateau, and Marguerite joins up with them.
Episode: 3x03 | Airdate: Nov 3, 2001
While exploring a dinosaur bone yard, Roxton disturbs an animal grave site and is punished by the guardian Oseena to be the prey in a hunt to the death.
Episode: 3x04 | Airdate: Nov 10, 2001
Challenger and his team risk unleashing a supernatural killer to save Malone by holding a seance, which originally is started by Marguerite and Veronica's use of a Ouija board.
Episode: 3x05 | Airdate: Nov 17, 2001
Malone becomes the link between a knife and the infamous murders by Jack the Ripper.
Episode: 3x06 | Airdate: Nov 24, 2001
Marguerite and Roxton travel up river to save their friends from Roxton's former mentor.
Episode: 3x07 | Airdate: Dec 1, 2001
Roxton gets stuck in the old west, pursued for a crime he didn't commit.
Episode: 3x08 | Airdate: Dec 8, 2001
Challenger "upgrades" the adventurers balloon and the gang go on a test flight. They crash in an unforgiving land, where Malone befriends a female warrior.
Episode: 3x09 | Airdate: Jan 12, 2002
Challenger's scientific knowledge is put to use - when up against a powerful witch bent on destroying him and his science.
Episode: 3x10 | Airdate: Jan 19, 2002
Malone and Challenger get attacked by a tribe with blowpipes and darts that may cause death, and Malone ends up reliving his suppressed memories of World War I.
Episode: 3x11 | Airdate: Jan 26, 2002
A deadly new ice age which threatens the world, is set in motion, as a mysterious meteor plunges into the plateau.
Episode: 3x12 | Airdate: Feb 2, 2002
A beautiful woman, determined to claim Roxton's soul, turns out to be Death himself.
Episode: 3x13 | Airdate: Feb 9, 2002
Veronica goes for a walk and is drawn toward some piano music that she can hear, walking through a mist she comes out in a village 100 years in the past, where she falls in love with a 19th century musician, unaware of his obsession.
Episode: 3x14 | Airdate: Feb 16, 2002
A rift between Roxton and Marguerite begins, when an assassin linked to Marguerite's secret turns up and threatens the explorers lives.
Episode: 3x15 | Airdate: Feb 23, 2002
Challenger experiments with a mysterious energy source, and Challenger, Roxton and Marguerite are thrown forward in time, approximately 100 years to 2033. On their return they are joined by a young woman called Finn.
Episode: 3x16 | Airdate: Mar 2, 2002
Our adventurers, are now joined by Finn from 2033. Claims of demonic possession make everyone a suspect, when a team of archaeologists are killed on the plateau.
Episode: 3x17 | Airdate: Apr 8, 2002
New characters enter the plateau and it would appear that one of Challengers team now might be possessed by the Devil.
Episode: 3x18 | Airdate: Apr 15, 2002
Challenger gets trapped in a life-or-death duel with apparitions from his mind, when an experiment with an elixir he makes, goes very wrong.
Episode: 3x19 | Airdate: Apr 22, 2002
Roxton's wartime record is exposed by a stranded enemy agent, who has also been trapped on the plateau. Plus some other secrets about Marguerite and Challenger come to light.
Episode: 3x20 | Airdate: Apr 29, 2002
When the man that wants ultimate power over the plateau receives the medallion from the assassin who appeared in 'The Secret', he goes to the plateau and Veronica ends up reliving the last days she spent with her parents in various visions.
Episode: 3x21 | Airdate: May 6, 2002
An explosion traps Marguerite and Roxton in an underground chamber, and their only hope for escape is Challenger...but the same explosion has left him with no memory of who he is or what has happened to his friends.
Episode: 3x22 | Airdate: May 13, 2002
The plateau is threatened with destruction as the explorers encounter a baffling new phenomenon. We are left with a cliffhanger that ends the series and never returns.