With multiple threats running rampant on the island, dinosaur lover Darius must put his feelings aside and make a difficult decision.

Sammy and Brooklynn rush to warn the others about a sinister new threat while Darius, unaware of the danger, searches for his dad's favorite dinosaur.

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 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 thrilling chase brings Darius, Kenji and Yaz to the old Jurassic Park Visitors Center. Elsewhere on the island, Brooklynn and Sammy find a secret lab.

With Brooklynn being held prisoner, the remaining campers hatch a plan to rescue her — and it won't be easy.

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.

It's crunch time for the campers to get to the boat and make their escape... until Ben disappears, deciding he'd rather stay. Can Darius change his mind?

The campers catch a lift to Lookout Point in search of materials to make a sail, then must quickly find a way back down. Ben worries about leaving Bumpy.

After finding Mitch and Tiff's abandoned yacht, the happy campers celebrate. But the party's over when something big goes bump in the night.