Racing against time, Rachel and Lily are forced to make a decision that could alter their lives in order to save humanity.
Amber gets a visit from Congresswoman Marjorie Taylor Greene and reveals the Wall of Politicians.
Rachel continues to seek information regarding the virus, while also managing an alarming situation in Lily's life; Zach is under scrutiny at the CDC.
Rachel enlists Lily's help with an important task in order to further her mother's medical research into a cure; Zach learns surprising information from his CDC colleague and former lover.
Lily figures out what to do with her dangerous client; Rachel attempts to gather evidence from her various patients to present to her husband, who works at the CDC.
Rachel attempts to coax confidential CDC information from Zach; Lily tries to continue pursuing her career dreams despite the chaos.
While conducting telehealth appointments from her New York City brownstone, Rachel tends to one of her patients with an strange injury; upstairs, Lily finds herself in a risky position with one of her clients.
Michael Portillo travels along the railway networks of Great Britain and Ireland, referring to a Victorian guidebook written by George Bradshaw as he describes how the destinations have changed.
Don't Bothers road trip to States. Teen drama unfolds, Alex is left behind, Bombay reveals a secret.
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.
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.
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.
With Brooklynn being held prisoner, the remaining campers hatch a plan to rescue her - and it won't be easy.
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?
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.
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.
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.