Not to mention
the impact on our social CIRCLE.
The Big Bang Theory Season 9, Episode 16
This CIRCLE contains only me and you.
The Big Bang Theory Season 10, Episode 16
Circle, CIRCLE, dot, dot,
now you have a cootie shot.
The Big Bang Theory Season 2, Episode 10
We need to widen our CIRCLE.
The Big Bang Theory Season 1, Episode 1
I just said that... This conversation
has started to CIRCLE. Meeting adjourned.
The Big Bang Theory Season 3, Episode 2