The Big Bang Theory Season 9, Episode 8

All right, where's Tall British Dave taking you?

The Big Bang Theory Season 8, Episode 19

I think I can sell it if we call it "Big British Porta-Potty."

The Big Bang Theory Season 4, Episode 4

It's actually British.

The Big Bang Theory Season 9, Episode 15

And speaking of ending relationships, when British Honduras became Belize,

The Big Bang Theory Season 7, Episode 20

(in high-pitched, fancy British voice): Oh, Duchess, look at me.