It's called
scientific CURIOSITY!
The Big Bang Theory Season 5, Episode 17
Just, uh, out of CURIOSITY,
did he ever have a shot with you?
The Big Bang Theory Season 2, Episode 8
Curiosity.
Game of Thrones Season 3, Episode 7
Just out of CURIOSITY, how did
you come to be on the show?
The Big Bang Theory Season 11, Episode 15
Out of CURIOSITY...
The Big Bang Theory Season 1, Episode 17