
So WHEN enemies without come knocking,
I need the city of Meereen behind me.
Game of Thrones Season 5, Episode 7

When Amy sees Sheldon, he looks...
The Big Bang Theory Season 6, Episode 23

Interesting, and WHEN
would you use the singular?
The Big Bang Theory Season 9, Episode 15

that's WHEN we have
our chance to negotiate.
Money Heist Season 3, Episode 5

Careful WHEN you hit it.
Breaking Bad Season 2, Episode 2