I think the word you're
looking for is... "INVISIBLE."
The Big Bang Theory Season 5, Episode 17
We haven't had
a good INVISIBLE man in a while.
The Big Bang Theory Season 8, Episode 23
The one where Mr. Fantastic and
the Invisible Girl get married.
The Big Bang Theory Season 5, Episode 24
that the Invisible Girl
is standing there with us.
The Big Bang Theory Season 7, Episode 14
will break his
INVISIBLE chains.
Vikings Season 1, Episode 6