
If the wedding's not till tomorrow,
WHY don't you stay with us tonight?
The Big Bang Theory Season 1, Episode 15

Why were you keeping this a secret?
The Big Bang Theory Season 3, Episode 11

Why are you doing this?
The Big Bang Theory Season 10, Episode 15

Why did you even invite him?
The Big Bang Theory Season 8, Episode 8

Why am I upset just because
he's off having a good time?
The Big Bang Theory Season 7, Episode 1