Manifest.s04e08.full.upright.and.locked.positio...

In " Manifest " Season 4, Episode 8, titled "Full Upright and Locked Position," the Stone family works to uncover the cause behind the passengers' synchronized, terrifying seizures. Saanvi investigates the biological impact of the callings on the passengers, while Cal struggles with his illness. Meanwhile, the 828 Registry intensifies its surveillance and aggressive actions, and Eagan manipulates his way into providing information to the Stones. The episode's title highlights the passengers' need to prepare for an approaching, dangerous conclusion.