Karl is bitten by a venomous mosquito; David embarks on a journey through a secret portal to the outside world.
Karl and Marion are in danger when life on the Earthfarm is threatened by a deadly virus.
A hunter discovers the elixir of youth only to realize there is a price for getting younger; David sets foot in the ring with a bullish outsider.
A shipwreck is found on the shores of Dinotopia and Karl uses his radio to make contact with drifting survivors.
The citizens of Waterfall City flee to the safety of Earthfarm.
As the guys consider returning to the modern world, someone plots Dinotopia's downfall.
The rescue mission is thrown into chaos when David, LeSage and the Chasmosaur take a wrong turn.
Karl is bitten by a poisonous mosquito.
Karl relives the same passionate moment with Marion after he becomes trapped in time.
New mayor Frank Scott brings industrialization to paradise.
Crop-harvesting dinosaurs are infected by a virus, and Le Sage has stolen the only medicinal plant that can help.
Exploring the island, Karl discovers a lost civilization, which banishes him to a T-Rex's nest.
Karl tries to hook up Frank and Le Sage; David and Alano box to settle their rivalry for Marion's attention.
Marion tries to show her worthiness as the future matriarch by helping a woman who is afraid of dinosaurs.
After salvaging a two-way radio from a recent shipwreck, Karl devises a dangerous plan for leaving Dinotopia.
Le Sage and a mad scientist plot to kill off the stegosaurus population and transform their spikes into a restorative potion.
A rampaging tyrannosaur forces the evacuation of Waterfall City; Frank, Karl and Marion try to escape from the island and get caught in a perilous storm.
Humans and dinosaurs live in harmony on a lost continent; a rampaging tyrannosaur forces the evacuation of Waterfall City; Frank, Karl and Marion try to escape from the island and get caught in a perilous storm.
Humans and dinosaurs live in harmony on a lost continent; dinosaurs inexplicably attack villages outside Waterfall City.