It's the CIRCLE of life, sweetie.
The Big Bang Theory Season 4, Episode 23
Circle, CIRCLE, dot, dot,
now you have a cootie shot.
The Big Bang Theory Season 2, Episode 10
Tell her you're a CIRCLE.
Flatland gals are all hot for CIRCLEs.
The Big Bang Theory Season 3, Episode 12
Okay, we're just gonna CIRCLE back
to when he's moving out...
The Big Bang Theory Season 10, Episode 23
The day before sailing,
you mark a CIRCLE around the pointer
Vikings Season 1, Episode 1