
Okay. Leonard, I know you're CONCERNED
about disappointing me...
The Big Bang Theory Season 2, Episode 23

But we just got tattoos. Wouldn't we be
CONCERNED about bacterial infection?
The Big Bang Theory Season 3, Episode 3

that I should be
CONCERNED about?
The Big Bang Theory Season 7, Episode 23

I’m very CONCERNED about my pupil, Silvia.
Money Heist Season 1, Episode 8