The Big Bang Theory, Season 6, Episode 21 Leonard Hofstadter and Sheldon Cooper are both brilliant physicists working at Cal Tech in Pasadena, California. They are colleagues, best friends and roommates, although in all capacities their relationship is always tested primarily by Sheldon's regimented and non-conventional ways. They are also friends with their Cal Tech colleagues, mechanical engineer Howard Wolowitz and astrophysicist Rajesh Koothrappali. The foursome spend their time working on their individual work projects, playing video games, watching science fiction movies or reading comic books. As they are self-professed nerds, all have little or no luck with "popular" women...

  The Big Bang Theory, Season 6, Episode 21     

Leonard Hofstadter and Sheldon Cooper are both brilliant physicists working at Cal Tech in Pasadena, California. They are colleagues, best friends and roommates, although in all capacities their relationship is always tested primarily by Sheldon's regimented and non-conventional ways. They are also friends with their Cal Tech colleagues, mechanical engineer Howard Wolowitz and astrophysicist Rajesh Koothrappali. The foursome spend their time working on their individual work projects, playing video games, watching science fiction movies or reading comic books. As they are self-professed nerds, all have little or no luck with "popular" women...
  The Big Bang Theory, Season 6, Episode 21     Leonard Hofstadter and Sheldon Cooper are both brilliant physicists working at Cal Tech in Pasadena, California. They are colleagues, best friends and roommates, although in all capacities their relationship is always tested primarily by Sheldon's regimented and non-conventional ways. They are also friends with their Cal Tech colleagues, mechanical engineer Howard Wolowitz and astrophysicist Rajesh Koothrappali. The foursome spend their time working on their individual work projects, playing video games, watching science fiction movies or reading comic books. As they are self-professed nerds, all have little or no luck with "popular" women...