Season 6 Episode 18

“The Contractual Obligation Implementation" - Leonard, Sheldon and Wolowitz speak to junior high girls about careers in science.
“The Contractual Obligation Implementation

“The Contractual Obligation Implementation", Episode 18 of Season 6

Leonard (Johnny Galecki), Sheldon (Jim Parsons) and Wolowitz (Simon Helberg) speak to junior high girls about careers in science, on THE BIG BANG THEORY, airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.
Video game night in “The Contractual Obligation Implementation

Video game night in “The Contractual Obligation Implementation", Episode 18 of Season 6

Leonard (Johnny Galecki), Sheldon (Jim Parsons) and Wolowitz (Simon Helberg) speak to junior high girls about careers in science, on THE BIG BANG THEORY, airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.
The Girls and Raj in “The Contractual Obligation Implementation

The Girls and Raj in “The Contractual Obligation Implementation", Episode 18 of Season 6

Koothrappali (Kunal Nayyar) plans a date with Lucy in “The Contractual Obligation Implementation" on Episode 18 of Season 6 on THE BIG BANG THEORY airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.
Wolowitz tries teaching in

Wolowitz tries teaching in "The Contractual Obligation Implementation", Episode 18 of Season 6

Leonard (Johnny Galecki), Sheldon (Jim Parsons) and Wolowitz (Simon Helberg) speak to junior high girls about careers in science, on THE BIG BANG THEORY, airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.
3 Wisemen in

3 Wisemen in "The Contractual Obligation Implementation", Episode 18 of Season 6

Leonard (Johnny Galecki), Sheldon (Jim Parsons) and Wolowitz (Simon Helberg) speak to junior high girls about careers in science, on THE BIG BANG THEORY, airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.
Sheldon in

Sheldon in "The Contractual Obligation Implementation", Episode 18 of Season 6

Leonard (Johnny Galecki), Sheldon (Jim Parsons) and Wolowitz (Simon Helberg) speak to junior high girls about careers in science, on THE BIG BANG THEORY, airing Thursday, March 7th on the CBS Television Network. Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.