The gang is forced to stage an intervention against an increasingly erratic Bo. Forcing Bo to learn the truth about secrets kept by the people she trusted most.

With Nora gone, Eph reluctantly joins Setrakian’s quest in hopes of gathering enough evidence to warrant a citywide quarantine. Fet encounters the unexpected inside the subway tunnels, and a medical…

A secret autopsy demonstrates the bizarre progression of the mystery virus, prompting Jim to make a startling confession. Eph and Nora race to find the father of the youngest victim…

Eph and Nora fight to save Captain Redfern’s life before coming face-to-face with the horrifying effects of the virus. A spike in rat attacks signals Fet that something inexplicable is…

Pete and Myka use H.G. Wells’s time machine to travel back to 1961.

Wynonna hunts down one of the Revenants responsible for the attack on the Homestead fifteen years earlier. Waverly unravels a mystery left behind by her Uncle Curtis.

When a series of mysterious disintegration deaths occur in Pittsburgh, the team discovers that the artifact responsible, Joshua’s Horn, has ties to Helena’s time as an agent in 1893.