Despite Penny’s career arc taking center stage in The Big Bang Theory season 7, it was never really the focus in and of itself, but only a way to lead Penny to propose to Leonard, as their ...

From Raj and Penny to Leonard and Sheldon, we ranked the best duos from the iconic sitcom, The Big Bang Theory.

From "The Staircase Implementation" to "The Opening Night Excitation," these are the funniest episodes of The Big Bang Theory.