KLAS-DT CBS | 8.1 | Two and a Half Men | The Big Bang TheoryThe Big Bang Theory The Large Hadron Collision (HD, New, TV14) Leonard can only bring one guest on a trip to see the CERN's Large Hadron Collider in Switzerland on Valentine's Day. | CSI: MiamiCSI: Miami Miami, We Have A Problem (HD, New, TV14) The CSIs try to solve the murder of a man who was killed in outer space. | 8 News Now at 11pm8 News Now at 11pm Local news, sports and weather. | Late Show with David LettermanLate Show with David Letterman (HD, New, TVPG) Scheduled: from "The Blind Side," Academy Award-nominated actress Sandra Bullock; 2010 Sports Illustrated Swimsuit Issue cover unveiling. |