Um, I am what's called
an EXPERIMENTAL physicist.
The Big Bang Theory Season 6, Episode 18
Uh, I am an EXPERIMENTAL
physicist at Cal-Tech,
The Big Bang Theory Season 5, Episode 13
But as a practical matter, need I remind you
it takes EXPERIMENTAL pharmaceuticals...
The Big Bang Theory Season 1, Episode 15
Leonard grew up to be
an EXPERIMENTAL physicist.
The Big Bang Theory Season 1, Episode 16
He's an EXPERIMENTAL physicist.
The Big Bang Theory Season 6, Episode 5