In one case,
it's because they've become INVOLVED
The Big Bang Theory Season 9, Episode 21
...which crew members
would be INVOLVED in this EVA?
The Big Bang Theory Season 2, Episode 22
A beta test requires people
that weren't INVOLVED
The Big Bang Theory Season 5, Episode 14
I'm thinking there was some
actual scratching INVOLVED.
The Big Bang Theory Season 2, Episode 16
has been INVOLVED in a severe car accident
on the M-506,
Money Heist Season 1, Episode 12