
...where a tray of flatware
on a couch is VALID?
The Big Bang Theory Season 1, Episode 2

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

All desires are VALID
to a man with a full purse.
Game of Thrones Season 1, Episode 5

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