
I'm going to the Arctic Circle with
Leonard, Wolowitz and Koothrappali.
The Big Bang Theory Season 3, Episode 1

Quick, CIRCLE the airport.
The Big Bang Theory Season 6, Episode 24

...but to elaborate,
I am going to the Arctic Circle...
The Big Bang Theory Season 2, Episode 23

We need to widen our CIRCLE.
The Big Bang Theory Season 1, Episode 1

Keep the noon shadow
on the CIRCLE,
Vikings Season 1, Episode 1