
...to support our HYPOTHESIS?
The Big Bang Theory Season 8, Episode 23

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

You mean my HYPOTHESIS.
I hypothesized it all by myself.
The Big Bang Theory Season 8, Episode 23

I'm going to propose a HYPOTHESIS.
The Big Bang Theory Season 4, Episode 9

No, it was a valid HYPOTHESIS.
The Big Bang Theory Season 1, Episode 1