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.
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The peaks and the valleys. Find the essential episodes — and the ones to skip.
The explorers are caught in the middle of a war between Tribue, with gunpowder in toe, and Drakul and his barbaric raiders. One of them will be lost, possibly forever, when this battle reaches its cliffhanger.
The plateau is threatened with destruction as the explorers encounter a baffling new phenomenon. We are left with a cliffhanger that ends the series and never returns.
The explorers release supernatural forces from a temple which threaten to destroy them.
When Lord Roxton is bitten by a diseased human, he transforms into a vampire and Marguerite and Challenger have to save him. Meanwhile Malone has to fight to the death with a man over Veronica and who will be her wife.
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
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