
He said it's WHY they hired me,
The Big Bang Theory Season 7, Episode 24

You and Stuart. Why?
The Big Bang Theory Season 12, Episode 9

Why did Howard leave you
in the middle of the road, anyway?
The Big Bang Theory Season 2, Episode 5

Leonard, WHY don't you
get into the carpool lane?
The Big Bang Theory Season 10, Episode 1

Do you understand WHY?
Game of Thrones Season 4, Episode 3