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

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

You can't impose a secret
on an ex post facto BASIS.
The Big Bang Theory Season 2, Episode 1

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

I still want it on my balcony.
I say we move it on a bimonthly BASIS.
The Big Bang Theory Season 1, Episode 14