
Let's say for a moment that
I accept the bath-item-gift HYPOTHESIS.
The Big Bang Theory Season 2, Episode 11

Well, that's certainly
a thought-provoking HYPOTHESIS.
The Big Bang Theory Season 2, Episode 13

Your meme HYPOTHESIS
does intrigue me.
The Big Bang Theory Season 4, Episode 20

I finally have time to test my HYPOTHESIS
about the separation of water molecules...
The Big Bang Theory Season 1, Episode 4