Across the Narrow Sea, your books are
filled with words like "usurper"
Game of Thrones Season 4, Episode 6
Euron Greyjoy's armada owns
the Narrow Sea.
Game of Thrones Season 7, Episode 3
Did you get a SEA lion while I was gone?
The Big Bang Theory Season 6, Episode 4
the Khaleesi
of the Great Grass Sea,
Game of Thrones Season 7, Episode 3
and the ports can be closed
when the boat is at SEA.
Vikings Season 1, Episode 1