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

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

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on a non-precedential BASIS...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

Penny,
you face failure on a daily BASIS.
The Big Bang Theory Season 4, Episode 7