The Lost World - Season 3 - Eps 5: The Knife
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.
About The Lost World

Title: The Lost World
First Air Date: 1999-04-03
Last Air Date: 2002-05-13
Status: Canceled
Rating: 7.126/10 (from 115 votes)
Language: EN
Seasons: 4
Total Episodes: 66
Network: Syndication
Genres: Action & Adventure, Drama
Production Companies: Coote Hayes Productions, Telescene Film Group Productions, St. Clare Entertainment
Synopsis
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.
Cast

Peter McCauley
Professor George Challenger

Rachel Blakely
Marguerite Krux

William Snow
Lord John Roxton

Jennifer O'Dell
Veronica Layton