The Lost World (1999–2002)

1. S01E01The Journey BeginsApril 3, 1999—Scientist and explorer George Challenger learns from a dying colleague of a prehistoric world and organizes an expedition to find it.
2. S01E02StrandedApril 3, 1999—Desperate to escape and more than a little greedy, Marguerite offers Veronica to a tribal chief in return for jewels and safe passage off th
3. S01E03More Than HumanOctober 2, 1999—When Roxton is running from a tyrannosaur, the earth suddenly swallows him up; the party follows a river to an underground ocean.
4. S01E04NectarOctober 9, 1999—Stung by a giant bee, Summerlee lies near death; Challenger seeks a way to repel an attack by the ape-men.
5. S01E05Cave of FearOctober 16, 1999—In order to free Challenger from her tribe, the team must retrieve the bones of a warrior queen's husband.
6. S01E06SalvationOctober 23, 1999—Christecs brand Summerlee a devil after he revives a drowning child.
7. S01E07Blood LustOctober 30, 1999—A vampire bite elevates Roxton's hunting instincts to a bloodthirsty level; a smitten native will fight Malone to the death for Veronica.
8. S01E08Out of TimeNovember 6, 1999—Druids worship Marguerite, who bears the mark of an ancient prophet; Veronica and Summerlee find a baby.
9. S01E09Paradise FoundNovember 13, 1999—A search for Veronica's parents leads to a paradise guarded by prehistoric creatures and filled with beautiful, talented immortals.
10. S01E10The Beast WithinNovember 20, 1999—Roxton, Challenger and Summerlee bring badly injured Malone to a magic healer in order to save his life.
11. S01E11Creatures of the DarkNovember 27, 1999—Challenger, Malone and Marguerite find a subterranean civilization after being trapped in an abandoned mine.
12. S01E12TributeJanuary 15, 2000—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 tak
13. S01E13Absolute PowerJanuary 22, 2000—The adventurers come upon the ruins of a civilization destroyed by an enormous explosion.
14. S01E14CamelotJanuary 29, 2000—After slapping a young king, Marguerite must choose between instant death or marrying the boy.
15. S01E15Unnatural SelectionFebruary 5, 2000—Challenger meets up with a former scientific rival; an old witch may have the key to an escape from the Lost World.
16. S01E16Time After TimeFebruary 12, 2000—Travelers from the future arrive in the Lost World to manipulate history.
17. S01E17Prodigal FatherFebruary 19, 2000—Veronica reunites with her father; the team must fight Kartas, a bounty hunter after Veronica's father.
18. S01E18BirthrightFebruary 26, 2000—Ramses, a vivified mummy, enlists Marguerite, Challenger and Malone to help him regain the Egyptian throne; a grieving dinosaur targets Summ
19. S01E19ResurrectionMarch 4, 2000—A dying Roxton makes an evil pact to regain his life and save Marguerite.
20. S01E20The Chosen OneApril 22, 2000—Roxton promises a teen's dying mentor to help the boy fulfill his destiny as savior of his people.
21. S01E21ProphecyMay 13, 2000—A gypsy fortuneteller's visions eerily come true, leaving the band to fear for Malone's life.
22. S01E22Barbarians at the GateMay 20, 2000—Drakul and the Raiders shoot down the adventurers' balloon, beginning a game of cat and mouse.

Season 1 ranked & reviewed

1. S02E01All or NothingOctober 7, 2000—The friends emerge from battle to find that one of their number is lost, and goons have enslaved a village.
2. S02E02AmazonsOctober 14, 2000—While Roxton, Malone and Challenger are looking for a way off the plateau, Amazon women save them from an attack by a flock of pterodactyls.
3. S02E03Tourist SeasonOctober 21, 2000—A plane full of 21st-century tourists crashes in the jungle, bringing with it dreams of rescue.
4. S02E04Stone ColdOctober 28, 2000—At a haunted castle, the adventurers seem compelled to re-enact a romantic story of intrigue -- one that could end in death.
5. S02E05Divine RightNovember 4, 2000—Roxton saves a young woman and steps right into Balar's trap.
6. S02E06Skin DeepNovember 11, 2000—Dinosaurs are behaving oddly, but the crew knows something is really wrong when Marguerite is nice to everyone.
7. S02E07London CallingNovember 18, 2000—An ancient map outlines an escape route; now the adventurers must prove to skeptics all they have seen.
8. S02E08The PrisonerNovember 25, 2000—Veronica unwittingly releases a savage giant from captivity, and Marguerite and the others must use all their talents to subdue him.
9. S02E09The GamesJanuary 20, 2001—Captured by lizard men, Malone, Marguerite and Roxton are forced to fight as gladiators in the arena.
10. S02E10The SourceJanuary 27, 2001—A woman who has saved the band from thirsty raptors will die if she cannot return immediately to the cave of the fountain of youth.
11. S02E11TrophiesFebruary 3, 2001—Marguerite recognizes as a trophy hunter a man who claims to be part of a Zoological Society rescue party.
12. S02E12Voodoo QueenFebruary 10, 2001—Danielle crafts a voodoo doll of Roxton, putting him in her control.
13. S02E13The GuardianFebruary 17, 2001—Challenger, Marguerite and Veronica follow hunters tracks through gas defenses, looking for Challenger.
14. S02E14Under PressureFebruary 24, 2001—Alex, a kobold, takes Roxton, Malone and Veronica prisoner; Holt is constructing a uranium generator to allow the kobolds to live above grou
15. S02E15The OutlawMarch 3, 2001—Roxton and Marguerite are jailed, accused of robbery after walking through a brilliant light on the far side.
16. S02E16Quality of MercyMarch 10, 2001—Aliens capture Veronica and Malone, forcing them to work in the mines alongside androids that have developed humanlike emotions and individu
17. S02E17Mark of the BeastApril 21, 2001—Roxton, Marguerite, Challenger and Malone are marked after touching an amulet, convincing them to return it to the cave.
18. S02E18SurvivorsApril 28, 2001—When the explorers enter an ancient temple, they release supernatural forces which threaten to destroy them.
19. S02E19The Pirate's CurseMay 5, 2001—When Marguerite and Roxton kiss, the earth moves, and the explorers are launched on a wild treasure hunt.
20. S02E20The VisitorMay 12, 2001—Werewolves make life a nightmare in the treehouse; Challenger faces a scientific challenge when Malone turns beastly.
21. S02E21A Man of VisionMay 19, 2001—During a thunderstorm visions of Summerlee, their lost colleague, lead the friends to the brink of destruction.
22. S02E22Into the FireMay 26, 2001—An escape route opens to the expedition when an airship lands on the plateau, but the mysterious pilot has other plans.

Season 2 ranked & reviewed

1. S03E01Out of the BlueOctober 20, 2001—There's no escape for the Challenger Expedition when Captain Askwith's mysterious airship explodes in a fiery crash. But moments later, when
2. S03E02The TravelersOctober 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 F
3. S03E03An Eye for an EyeNovember 3, 2001—While exploring a mysterious dinosaur bone yard, Roxton is attacked by a charging Ttriceratops and kills it, not out of necessity but in ang
4. S03E04True SpiritNovember 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 th
5. S03E05The KnifeNovember 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 n
6. S03E06Fire in the SkyNovember 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
7. S03E07Dead Man's HillDecember 1, 2001—When Roxton happens upon a hangman's noose dangling from a lonely tree in the jungle, he's suddenly transported back to the American West wh
8. S03E08Hollow VictoryDecember 8, 2001—Challenger develops a new way to create lift in the balloon. All go along for a test flight, but the balloon is drawn into violent turbulenc
9. S03E09A Witch's CallingJanuary 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
10. S03E10Brothers in ArmsJanuary 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 corre
11. S03E11Ice AgeJanuary 26, 2002—When a blindingly bright meteor strikes the Plateau, Challenger, Roxton, and Marguerite set out to investigate the impact site. But the clos
12. S03E12The End GameFebruary 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 Re
13. S03E13PhantomsFebruary 9, 2002—Alone in the jungle, Veronica hears piano music and follows it to its source - a 19th century German village that has suddenly appeared in a
14. S03E14The SecretFebruary 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
15. S03E15FinnFebruary 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
16. S03E16SuspicionMarch 2, 2002—When a lost archaeological expedition discovers a mysterious burial urn, the young student who opens it suddenly collapses in convulsions. T
17. S03E17The ImpostorsApril 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 ins
18. S03E18The ElixirApril 15, 2002—Hoping to end starvation, Challenger becomes the first human subject to test his new experimental substitute for food. But his nutritional b
19. S03E19TapestryApril 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
20. S03E20LegacyApril 29, 2002—Led by a dream, Veronica touches her mother's pendant to a stone monolith. A flash of mysterious energy knocks her unconscious, causing her
21. S03E21TrappedMay 6, 2002—A peaceful day of exploration turns deadly when a sudden explosion traps Marguerite and Roxton in an underground chamber. Their only hope fo
22. S03E22Heart of the StormMay 13, 2002—Two days before Challenger's latest attempt to leave the Plateau by balloon, Veronica and Finn encounter a strange phenomenon and are briefl

Season 3 ranked & reviewed