CSI “73 Seconds” Season 12 episode 1 airs Wednesday September 21 (10:00-11:00PM, ET/PT) on CBS.
Episode Synopsis: Multiple shootings and stabbings on a public tram leave the CSI team with one witness and a lot of questions, on the 12th season premiere of CSI: CRIME SCENE INVESTIGATION, Wednesday, Sept. 21 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Ted Danson makes his series debut as new CSI Supervisor D.B. Russell. Elisabeth Harnois returns as series regular Morgan Brody.