
That's it. The Sheldon Cooper
Girlfriend Challenge is officially live.
The Big Bang Theory Season 9, Episode 8

You... You have a GIRLFRIEND?
The Big Bang Theory Season 7, Episode 7

Because you don't have
a GIRLFRIEND?
The Big Bang Theory Season 5, Episode 4

Great. You have a GIRLFRIEND,
Howard has a GIRLFRIEND...
The Big Bang Theory Season 4, Episode 5

...simply to have a GIRLFRIEND.
The Big Bang Theory Season 4, Episode 5