
Would you be prepared,
on a non-precedential BASIS...
The Big Bang Theory Season 2, Episode 14

Sorry, you're on a need-to-know BASIS.
The Big Bang Theory Season 9, Episode 19

Yes, we communicate on a daily BASIS,
but no, she is not my girlfriend.
The Big Bang Theory Season 4, Episode 1

to determine the BASIS of humor.
The Big Bang Theory Season 7, Episode 12

Oh, yeah. Wasn't that the BASIS
of your postdoc fellowship?
The Big Bang Theory Season 7, Episode 20