
Knock yourself out.
Breaking Bad Season 3, Episode 10

-(KNOCK ON DOOR)
- Hey.
The Big Bang Theory Season 10, Episode 7
![[KNOCK ON DOOR]
[KNOCK ON DOOR]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[KNOCK ON DOOR]
The Big Bang Theory Season 8, Episode 6

That's not the secret KNOCK.
The Big Bang Theory Season 1, Episode 16
![[knock on door]
[knock on door]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[KNOCK on door]
The Big Bang Theory Season 12, Episode 19