THE BIG BANG THEORY Season 6 Episode 18 The Contractual Obligation Implementation Photos : “The Contractual Obligation Implementation” – Leonard, Sheldon and Wolowitz speak to junior high girls about careers in science. Meanwhile, Koothrappali plans a date with Lucy, on THE BIG BANG THEORY, Thursday, March 7 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network. s06e18 6×18 6.18 s6e18
THE BIG BANG THEORY Season 6 Episode 18 The Contractual Obligation Implementation Photos
