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
Would you be prepared,
on a non-precedential BASIS...
The Big Bang Theory Season 2, Episode 14
I remotely repair satellites
on a regular BASIS.
The Big Bang Theory Season 1, Episode 14
Penny,
you face failure on a daily BASIS.
The Big Bang Theory Season 4, Episode 7