Well VISIBLE during the whole visit,
Money Heist Season 1, Episode 1
No VISIBLE reaction.
The Big Bang Theory Season 7, Episode 5
A VISIBLE rib cage.
The Big Bang Theory Season 10, Episode 18
...but the added fun of subatomic particles
and waves outside the VISIBLE spectrum.
The Big Bang Theory Season 8, Episode 19
Right lung in lower left quadrant,
no VISIBLE... exit wounds.
Breaking Bad Season 3, Episode 8