
If you've got a problem
basing a relationship on a CONTRACT...
The Big Bang Theory Season 8, Episode 3

I get to write a CONTRACT?
The Big Bang Theory Season 10, Episode 13

We have a CONTRACT and everything.
I'll send you a PDF.
The Big Bang Theory Season 6, Episode 3

The leaving of a message
is one half of a social CONTRACT...
The Big Bang Theory Season 2, Episode 22

That's why I've stipulated
in the CONTRACT that your contributions
The Big Bang Theory Season 9, Episode 18