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Arrival is the first episode of the fourth season in the Netflix series Jurassic World: Chaos Theory. The episode was released on November 20, 2025. Its 25 minutes and 33 seconds long

Synopsis[]

Brooklynn, Darius, Ben and Yaz make their way toward Biosyn HQ while Kenji and Sammy prepare to negotiate with Lewis Dodgson.

Plot Summary[]

Arriving in Biosyn Valley via helicopter, Brooklynn, Ben, Darius, and Yaz are soon attacked by a Quetzalcoatlus, but the valley's aerial deterrent system activates in time to ward it off. The helicopter's autopilot forces them to land on the roof of Biosyn's underground headquarters, where Brooklynn is recognized by Earnest, the former leader of the DLN, who now works for Biosyn. Brooklynn convinces Earnest to help them, but Darius becomes jealous of their friendship and upset that Brooklynn easily manipulated him. Kenji, Sammy, and Smoothie enter the valley using Gia's car and reach the entrance gate. They quickly spot Dodgson, who releases the Tyrannosaurus rex Rexy behind an electric fence so she can be integrated into the valley's ecosystem. Kenji confronts Dodgson under the guise of a business proposition so he can purchase Bumpy, but Dodgson refuses. Kenji then attempts to blackmail him by threatening to go to the authorities with information about the trained Atrociraptors and the escaped Pyroraptor. They are interrupted by the arrival of a Giganotosaurus that easily dominates Rexy, forcing her to leave. Dodgson reluctantly agrees to Kenji's proposition and takes him and Sammy underground.

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