As a poisoned camper fights to survive, it's up to Yaz — the fastest among them — to fetch the antidote before it's too late.
The campers leave the Mosasaurus lagoon and fight their way onto the monorail … where Ben gets a chance to face his fears.
The group is forced to switch gears when a familiar face returns to Isla Nublar. Now, getting off the island is no longer the most important thing.
A guilty Darius is determined to protect the island's innocent dinos — even if he has to do it all alone. But with luck, maybe he won't have to...
The campers reunite with a long-lost friend, who shares an inspiring story — then reveals that Mitch, Tiff and Hap aren't who they seem.
Kenji takes the campers to his father's penthouse to gather supplies — but they've soon got company. Sammy reflects on what life must be like back home.
Darius and Sammy face a moral dilemma while searching the park for supplies. The campers start building a new treehouse. Brooklynn sees something odd.