How can I call myself king
if I can't hold my own CASTLE?
Game of Thrones Season 2, Episode 6
If Jon is alive,
then Castle Black's where he'll be.
Game of Thrones Season 3, Episode 10
and the other officers in this CASTLE.
Game of Thrones Season 6, Episode 1
Did you see her again at Castle Black?
Game of Thrones Season 4, Episode 10
You left your daddy's CASTLE
looking for trouble, didn't you?
Game of Thrones Season 4, Episode 5