The Big Bang Theory “The 2003 Approximation” Season 9 Episode 4 airs Monday Oct 12 2015 (8:00-8:30 PM, ET/PT) on the CBS Television Network. In tonight’s episode, Sheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time before he met Leonard and Penny. Also, Howard […]