
...BUT, well, you know, heh.
The Big Bang Theory Season 8, Episode 7

But you fought them off.
Game of Thrones Season 2, Episode 10

BUT when they're twin primes,
The Big Bang Theory Season 9, Episode 12

But, uh, before
I take my shirt off,
The Big Bang Theory Season 7, Episode 23

Well, sure,
BUT I'm going out with Bernadette.
The Big Bang Theory Season 4, Episode 24