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

Oh, you heard me.
Your EXPERIMENTAL bonafides are laughable.
The Big Bang Theory Season 10, Episode 4

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

Leonard grew up to be
an EXPERIMENTAL physicist.
The Big Bang Theory Season 1, Episode 16

A small payload support structure for
a European science EXPERIMENTAL package...
The Big Bang Theory Season 1, Episode 12