The Gathering (S04E09)

As the stock markets collapse, the world is plunged into recession, and the Torchwood team is splintered, defeated and scattered across the world. In Wales, Gwen must take fierce action to fight for her father's survival, meanwhile, Jack and Esther stay in hiding, to prepare their last, desperate weapon. A terrible alliance begins, which will send them all on a final mission to save the world. (Prime Video)