
You already swore me
one oath right here in my CASTLE.
Game of Thrones Season 3, Episode 9

So you can give Mance Rayder
an invitation to Castle Black?
Game of Thrones Season 2, Episode 10

The Citadel isn't Castle Black.
Game of Thrones Season 6, Episode 3

We received no report
from the maester at Castle Black.
Game of Thrones Season 6, Episode 10

For the current occupants
of the CASTLE,
Game of Thrones Season 7, Episode 3