Season 3, Episode 18 The Imposters

First Aired: April 8, 2002

A trio of demons from Finn's past threaten the stability of Earth's future when they enter the Lost World after trading places with Challenger, Roxton and Marguerite. Finn: Lara Cox. Kayle: Rod Mullinar. Una: Freya Stafford. Rixxel: Brett Tucker. Marguerite: Rachel Blakely. Roxton: Will Snow. Challenger: Peter McCauley.