Just, uh, out of CURIOSITY,
did he ever have a shot with you?
The Big Bang Theory Season 2, Episode 8
But, out of CURIOSITY,
what is a way?
The Big Bang Theory Season 5, Episode 10
It's called
scientific CURIOSITY!
The Big Bang Theory Season 5, Episode 17
Out of CURIOSITY...
The Big Bang Theory Season 1, Episode 17
Just out of CURIOSITY, what time
do you usually go to bed?
The Big Bang Theory Season 5, Episode 3