
I guess the EXPERIMENT begins.
The Big Bang Theory Season 10, Episode 4

We finished
the EXPERIMENT early,
The Big Bang Theory Season 7, Episode 2

isn't it the perfect opportunity
to consider this an EXPERIMENT
The Big Bang Theory Season 10, Episode 4

But you finished your EXPERIMENT
a week ago.
The Big Bang Theory Season 2, Episode 5

and we realized
that our failed EXPERIMENT
The Big Bang Theory Season 12, Episode 13