Overview: Paleontologist Helena Walker awakens on an island full of strange beasts.
Overview: Helena's on the run from Nerva’s scouts, when she meets a new ally: Meiyin.
Overview: Helena makes allies in a treetop village, and travels to a Pteranodon den.
Overview: Helena and her friends devise a daring plan to liberate prisoners.
Overview: Nerva unleashes a punishing surprise-attack against John's village.
Overview: Helena, John and Henry risk everything to rescue Meiyin from Nerva.