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

...scientifically VALID protocol
that will make our lives better?
The Big Bang Theory Season 3, Episode 3

Assuming that's a VALID reason not to go,
which it isn't...
The Big Bang Theory Season 2, Episode 23

It was sparsely sourced,
but I think the science is VALID.
The Big Bang Theory Season 1, Episode 3

That is not a VALID order.
Game of Thrones Season 6, Episode 8