That was a VALID hypo...?
What is happening to you?
The Big Bang Theory Season 1, Episode 1
...where a tray of flatware
on a couch is VALID?
The Big Bang Theory Season 1, Episode 2
That is not a VALID order.
Game of Thrones Season 6, Episode 8
Assuming that's a VALID reason not to go,
which it isn't...
The Big Bang Theory Season 2, Episode 23
You know, if this experiment is going to
be VALID, I suggest a neutral environment.
The Big Bang Theory Season 10, Episode 4