
You know, he's British, I'm Indian.
The Big Bang Theory Season 3, Episode 4

Fine. Um, he's British.
The Big Bang Theory Season 9, Episode 8

(in high-pitched, fancy British voice):
Oh, Duchess, look at me.
The Big Bang Theory Season 7, Episode 20

the daughter of the British ambassador,
instead of eight Spanish youngsters,
Money Heist Season 1, Episode 7

And speaking of ending relationships,
when British Honduras became Belize,
The Big Bang Theory Season 9, Episode 15