Out of the Blue
After the dirigible crashes, Marguerite, Roxton, and Challenger find themselves at Pulham Airstation back in England where they have replaced Askwith's crew. Meanwhile, the ship sent Veronica back to the plateau to hunt Askwith down. Veronica finds out she has one day to find Askwith and get him back where he belongs and to save her friends.
The Travelers
After Marguerite and Roxton have an argument and split up, she gets attacked by a group of natives. She gets saved by an unlikely group of strangers only to find out later on that she is being held for ransom for all the jewels she owns.
Eye for an Eye
Roxton finds trouble when he stumbles into a dinosaur graveyard. When an angry triceratops forces him to shoot, he finds himself on the end of a curse from the guardian of the graveyard. The hunter is now the prey.
True Spirit
Strange things start happening on the plateau. Pyroglyphs, floating objects, spirits, seances...All of this leading back to the possible return of Malone. Trouble is, someone else is trying to come back as well and he wasn't invited.
The Knife
Challenger and Malone find a deserted camp where Malone finds a knife. He discovers that everytime he touches the knife, he has visions of the horrible murders committed by it. Based on the visions, Jack the Ripper is on the plateau and it's up to the explorers to find him. Trouble is there are two sets of tracks leading off in different directions. Which person is the Ripper?
Fire in the Sky
While exploring a river for a possible route off the plateau, Challenger, Malone, and Veronica find a dying man who give them a cryptic message about a man named Pierson Rice and something about two days. After sending a message to Marguerite and Roxton to follow, the three of them set off into dangerous territory to save Rice.
Dead Man's Hill
In the middle of the jungle, Roxton and Marguerite find a hangman's noose hanging from a tree and a tombstone with Roxton's name on it. In the blink of an eye, Roxton finds himself dressed as a cowboy in the middle of Wyoming. All of his friends believe they are someone else and he can't get back home without their help.
Hollow Victory
While testing out Challenger's new balloon, the group find themselves stranded in a strange land beneath the surface of the earth. Their balloon is damaged and they have only a couple of days before the volatile conditions of the land kill them. Can they fix the balloon with help from the locals and get back to the surface?
The Witch's Calling
A witch on the plateau has it out for Challenger. Witchcraft versus science, which one will win the battle?
Brothers in Arms
After Malone gets hit by a poison dart, he starts to hallucinate and relive his days from the war. If his friends don't get the antidote to him soon, he'll die.
Ice Age
When a strange meteorite crashes onto the plateau, things start to get cold. A discovery of a strange woman leads the explorers to believe that there are others on the meteorite and it's causing the plateau to get cooler as time passes. If they don't figure out a way to reverse its affects, the plateau and all its inhabitants will turn into solid ice!
The End Game
Death has jumped the gun and come for Roxton. If he doesn't give himself up willingly, then he will lose the lives of his friends. Will Roxton give in to save their lives? Can he save his own life and the lives of his friends?
Phantoms
Veronica follows the sound of piano music and it leads her to a strange fog. Once she steps through she finds herself in the middle of a German village a hundred years in the past. Veronica becomes smitten with the piano player while Challenger has his reservations. Has Veronica finally found her true love in the pianist?
The Secret
What's the real reason Marguerite came to the plateau? Her secret is finally revealed when a warrior shows up on the plateau looking for her.
Finn
Challenger makes a teleportation device to take them home to London. Instead, he along with Roxton and Marguerite find themselves over a hundred years into the future in a place called New Amazonia where the future is not what they dreamed it would be.
Suspicion
A group of archeologists is exploring on the plateau when they find a strange urn with a skeleton in it buried behind a wall. A day later almost every single person in their camp is dead. Marguerite and Roxton stumble into the camp to find two people that both claim the demon is in the other while Challenger and Finn find a young woman at the tree house who made it out of the camp alive. How can you find a demon that can jump bodies by a single touch?
The Imposters
Challenger, Marguerite, Roxton, and Finn go to explore a previous cave that took them to Edward Grey's village. When they get in the cave, they see a weird light with a face in it, Finn makes it out but her friends are not as lucky. When they come out, Finn sees that they are not her friends and that one of them is the one responsible for the destruction of her world. Can she save her friends and possibly the future?
Elixir
Challenger tries to invent a substitute for food. Between starving himself and the harmful effects of his elixir, things don't look good for Challenger.
Tapestry
Challenger finds a pilot in the jungle who has a shipment of iridium that went missing during the war. Now several years later, many secrets and unknown ties are revealed.
Legacy
Veronica follows her dream to a strange stone where she puts in her pendant. As soon as she does she is knocked unconscious and she starts seeing visions. A mysterious man appears on the plateau looking for Veronica. What does he want with Veronica?
Trapped
While exploring a cave, Marguerite and Roxton face an explosion and get trapped in a cave. In the process of the explosion, Challenger was knocked unconscious and receives amnesia. How will Marguerite and Roxton get out of the cave? And what will happen to Challenger?
Heart of the Storm
The explorers once again get ready to set sail and try to get home to London. However, things start to go wrong on the plateau when shimmers appear that transport them to different times and places. What's happening to the plateau and can it be stopped?
