![[knock on door]
[knock on door]](https://content2.mcqstudy.com/ss/tbbt-12-19-00:19:00.922.jpeg)
[KNOCK on door]
The Big Bang Theory Season 12, Episode 19

(KNOCK ON DOOR)
The Big Bang Theory Season 2, Episode 19

You know,
"Scrabble, just KNOCK it off:"
Breaking Bad Season 3, Episode 10

but it's not gonna put up with all
the side chatter, so, let's KNOCK it off!
The Big Bang Theory Season 10, Episode 1

-(KNOCK ON DOOR)
- RAJ: (awe-some) Hello.
The Big Bang Theory Season 10, Episode 11