
To a hospital? Full of SICK people?
The Big Bang Theory Season 4, Episode 23

Yeah, right. Sick.
The Big Bang Theory Season 8, Episode 24

...and then there were the holidays,
and then he was SICK.
The Big Bang Theory Season 8, Episode 24

Leonard, I'm SICK.
The Big Bang Theory Season 1, Episode 11

Ma always kept it on hand in case I got SICK.
The Big Bang Theory Season 8, Episode 18