a tiny change
in the INITIAL conditions
The Big Bang Theory Season 7, Episode 16
You sign here, date here,
and Penny, if you could INITIAL here
The Big Bang Theory Season 10, Episode 13
...because of your INITIAL
and inadequate deceit.
The Big Bang Theory Season 1, Episode 10
Yeah, my INITIAL reaction is no.
The Big Bang Theory Season 2, Episode 22
...correcting for observation bias
and postulate an INITIAL dating age of 15...
The Big Bang Theory Season 4, Episode 1