A team embarks on a perilous cross-country mission to transport the one man who survived a deadly zombie virus, hoping he holds the key to a vaccine.
Season 4
E1.Warren's Dream
E2.Escape from Zona
E3.The Vanishing
E4.A New Mission: Keep Moving
E5.The Unknowns
E6.Back from the Undead
E7.Warren's Wedding
E8.Crisis of Faith
E9.We Interupt This Program
E10.Frenemies
E11.Return to Mercy Labs
E12.Mt. Weather
E13.The Black Rainbow
