
That is a VALID point.
The Big Bang Theory Season 10, Episode 19

He makes a VALID point!
The Big Bang Theory Season 8, Episode 3

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

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

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