
No, it was a VALID hypothesis.
The Big Bang Theory Season 1, Episode 1

That was a VALID hypo...?
What is happening to you?
The Big Bang Theory Season 1, Episode 1

You know, if this experiment is going to
be VALID, I suggest a neutral environment.
The Big Bang Theory Season 10, Episode 4

That's actually a VALID example.
The Big Bang Theory Season 8, Episode 21

I think what you're feeling is VALID
and maybe later today...
The Big Bang Theory Season 1, Episode 2