
He's an engineer
and I'm an EXPERIMENTAL physicist.
The Big Bang Theory Season 4, Episode 7

what to do with a washed-up
EXPERIMENTAL physicist...
The Big Bang Theory Season 5, Episode 10

Oh, yes, EXPERIMENTAL physics,
The Big Bang Theory Season 12, Episode 22

And they're all hopped up
on EXPERIMENTAL steroids.
The Big Bang Theory Season 2, Episode 16

Experimental log.
The Big Bang Theory Season 6, Episode 8