The Lost World s01e03 More Than Human

Roxton is looking for the materials for a crossbow to bag a TRex, but when one actually interupts 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 lizardlike men, descendents of dinosaurs, and the humans are subservient to them. There is an ancient Roman structure to this civilization, including gladiatortype battles. While Marguerite and Veronica are forced to change into silky gowns for the entertainment of Tribune, the lizardpeople s leader, Roxton is chosen to fight another human prisoner. The slaves and travelers rebel, and overthrow the lizardmen s intolerable rule, but not without loss Roxton s opponent s sister a rebel leade.