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

as the BASIS for
a communication system.
The Big Bang Theory Season 11, Episode 8

I remotely repair satellites
on a regular BASIS.
The Big Bang Theory Season 1, Episode 14

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

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on a non-precedential BASIS...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