
...on your tremendously exciting and
not yet conclusively disproved HYPOTHESIS.
The Big Bang Theory Season 3, Episode 4

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

This guy's working
from a HYPOTHESIS where...
The Big Bang Theory Season 4, Episode 3

You have a backup HYPOTHESIS?
The Big Bang Theory Season 1, Episode 6

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