“Back from the Dead” – When a microbiology university researcher returns from an expedition to Siberia, she and her team members fall ill from a possible revived pathogen or “zombie virus.” Meanwhile, Watson catches up with his friend Sherlock Holmes after finding out he is alive, and Ingrid unexpectedly finds herself on the team’s floor, on the CBS Original series WATSON, Monday, Oct. 20 (10:00-11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+* (live and on-demand for Paramount+ Premium plan subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs).