
But as a practical matter, need I remind you
it takes EXPERIMENTAL pharmaceuticals...
The Big Bang Theory Season 1, Episode 15

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

Um, I am what's called
an EXPERIMENTAL physicist.
The Big Bang Theory Season 6, Episode 18

...or as I call it, the Leslie Winkle
Experimental Methodology.
The Big Bang Theory Season 2, Episode 2

He's an EXPERIMENTAL physicist.
The Big Bang Theory Season 6, Episode 5