Oh, yeah, that is an EXPERIMENT
The Big Bang Theory Season 11, Episode 13
Does volunteering for an EXPERIMENT
in which orgasm was achieved...
The Big Bang Theory Season 4, Episode 1
Hey, Leonard,
am I too late to see your EXPERIMENT?
The Big Bang Theory Season 3, Episode 10
I've been invited to
consult on an EXPERIMENT
The Big Bang Theory Season 7, Episode 5
...to be asking another man's girlfriend
to his EXPERIMENT...
The Big Bang Theory Season 3, Episode 10