The Big Bang Theory Season 7 Episode 15 "The Locomotive Manipulation"

The Big Bang Theory “The Locomotive Manipulation” Season 7 Episode 15 airs Thursday, February 6 2014 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Episode Synopsis: The Big Bang Theory Season 7 Episode 15 “The Locomotive Manipulation” - Love is in the air when Sheldon and Amy join Howard and Bernadette for a trip to