You can't EXPERIMENT
on his kids.
The Big Bang Theory Season 12, Episode 17
It's up to you.
He didn't call your EXPERIMENT stupid.
The Big Bang Theory Season 3, Episode 10
...and shower in the radiation lab
until I'm finished with my EXPERIMENT.
The Big Bang Theory Season 2, Episode 5
The hallmark
of the great human EXPERIMENT...
The Big Bang Theory Season 1, Episode 2
- I would like to propose an EXPERIMENT.
- Hang on.
The Big Bang Theory Season 1, Episode 3