TV series example of the word

The Big Bang Theory Season 6, Episode 20
<font color="#E86CE4">(KNOCKING ON DOOR)</font>

The Big Bang Theory Season 1, Episode 4
You know, I always say, "When one door closes, another one opens."

The Big Bang Theory Season 6, Episode 24
<font color="#E86CE4">(DOOR SHUTS)</font>

The Big Bang Theory Season 4, Episode 4
<font color="#E86CE4">(KNOCKING ON DOOR)</font>

Game of Thrones Season 6, Episode 5
Hold the door!