Karim returns to the house with reinforcements, OA tries to access Nina's memories, and Hap offers to discharge Scott -- after one last experiment.

Cast: Brit Marling, Emory Cohen, Kingsley Ben-Adir, Ian Alexander, Will Brill, Jason Isaacs, Zendaya, Vincent Kartheiser, Irène Jacob, Zoe Chao, Liz Carr, Zoey Todorovsky, Nikolai Nikolaeff, Alex Fernandez, Myk Watford