Okay, you'll have to NARROW it down.
The Big Bang Theory Season 1, Episode 17
I need to cross the Narrow Sea.
Game of Thrones Season 2, Episode 6
Far and away across
the Narrow Sea to Braavos.
Game of Thrones Season 2, Episode 10
Why did your ancestors cross the Narrow Sea
and conquer the Seven Kingdoms?
Game of Thrones Season 5, Episode 4
Right now, they're sailing
across the Narrow Sea,
Game of Thrones Season 7, Episode 1