The Big Bang Theory - Season 6 Episode 18 : The Contractual Obligation Implementation

The Big Bang Theory
6.8/10 by 3223 users

Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.

Title The Big Bang Theory - Season 6 Episode 18 : The Contractual Obligation Implementation
Alternative Titles 天才理论传, Agymenők, תאוריית המפץ הגדול, A Teoria do Big Bang, TBBT
First Air Date 2007-09-24
Last Air Date 2018-05-10
Number of Episodes 257
Number of Seasons 12
Genres Comedy,
Networks CBS,
Casts Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik
Sheldon Cooper
Sheldon Cooper
Jim Parsons
Leonard Hofstadter
Leonard Hofstadter
Johnny Galecki
Penny
Penny
Kaley Cuoco
Howard Wolowitz
Howard Wolowitz
Simon Helberg
Rajesh Koothrappali
Rajesh Koothrappali
Kunal Nayyar
Amy Farrah Fowler
Amy Farrah Fowler
Mayim Bialik
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