The Lost World
At the dawn of the 20th century, a band of adventurers find themselves trapped in a dangerous land of dinosaurs and other creatures. The adventurers must fight to search for a way home.
Out of the Blue
Marguerite, Roxton, and Challenger take the place of Askwith aboard his ghost ship and return to the day of its fatal departure in 1915. Back on the Plateau, Veronica chases down Askwith.
The Travelers
Malone remains missing, and the explorers' search party crosses paths with a trio of travelers. Marguerite becomes taken with the dashing leader, especially when he offers her a way off the Plateau.
Eye for an Eye
Roxton learns what it's like to be the hunted after he kills a Triceratops. Osina-a mystical, half-dinosaur guardian-puts a curse on him that makes him the target of a mysterious hunter.
True Spirit
Veronica and Marguerite use a ouija board to communicate with Malone, who Veronica believes is trapped in a spirit realm. However, their attempt may have aroused the spirit of Saros, a dead warlord.
The Knife
Malone's time in the spirit realm has given him psychic abilities. When he and Challenger discover a morbid campsite, Malone is encouraged to use his new powers to solve the case of Jack the Ripper.
Fire in the Sky
A dying stranger issues a warning to three of the explorers, begging them to find a hunter named Pierson Rice. Roxton shares a common, painful past with the mysterious Rice.
Dead Man's Hill
Roxton stumbles into a bizarre Wild West alternate reality when he finds his name on a tombstone. Roxton meets the other explorers' pioneer-town personas.
Hollow Victory
Challenger experiments with a new fuel source in the hot-air balloon, and takes the other explorers along for a test ride. However, a storm drags the balloon into a dangerous underground world.
A Witch's Calling
While Roxton and Malone search for the missing Veronica, two young witches lure them away from safety. Unbeknownst to the explorers, a sorceress and her disciples plot to destroy Challenger.
Brothers in Arms
Malone is pierced by a poison dart from a Keeran blowdart. Under the influence of the hallucinogenic poison, Malone relives his nightmarish experience as a battlefield correspondent in WWI.
Ice Age
A new Ice Age threatens the ecosystem. The explorers investigate the site of a meteor crash and try to help a woman. Not knowing who she is, they are targeted by her cold-blooded subjects.
The End Game
The intractable Death comes to settle her score with Lord Roxton. In a series of games, Roxton plays Death in an attempt to keep his life, as well as the lives of his friends.
Phantoms
Veronica is led by the sound of piano music into the arms of a lover from a bygone era. Ignoring Challenger's warnings about her involvement with him, she falls quickly for her new beau.
The Secret
An assassin threatens the explorers, and Marguerite fears that he may be linked to her past and come to settle old scores. The secret she tries to bury creates a rift between herself and Roxton.
Finn
An experiment with new energy sources goes awry, launching Roxton, Challenger, and Marguerite 100 years into the future. They discover that the rest of the world has been ravaged by war.
Suspicion
Finn joins the explorers at the Treehouse. A team of archeologists suffer disease, violence, and distrust after opening an ancient urn that may have housed a demonic spirit.
The Imposters
The explorers seek out a portal, but are overtaken by a force that replaces Marguerite, Roxton, and Challenger with three demons. With an age of chaos impending, Finn must bring back her friends.
The Elixir
Challenger tests his nutritional elixir, but the drink causes hallucinations of his wife and younger self to appear in the treehouse. The others must find a cure before his visions become deadly.
Tapestry
Challenger is taken captive by a WWI transport pilot guarding a crashed plane full of stolen iridium ingots. He, Roxton, and Marguerite relive their deepest secrets, each connected to the cargo.
Legacy
An old enemy returns with a powerful artifact that could give him total power over the plateau. Veronica believes that her mother's pendant is leading her back to her parents.
Trapped
An explosion in the jungle leaves Marguerite and Roxton trapped in a cavern, and Challenger with a case of amnesia that erases his memory of them. Finn helps Veronica uncover more of her past.
Heart of the Storm
A strange phenomena brings a cavalcade of dangers-spanning time and space-to the plateau, threatening its very existence. Veronica believes she must use the Trion to save her friends.
