
It's an amazing COINCIDENCE.
Can we leave it at that?
The Big Bang Theory Season 3, Episode 3

Does that sound
like a COINCIDENCE?
The Big Bang Theory Season 11, Episode 13

What an odd COINCIDENCE
that you're both here.
The Big Bang Theory Season 7, Episode 7

No, it wasn’t a COINCIDENCE."
Money Heist Season 1, Episode 8

...people unfamiliar with the law
of large numbers would call a COINCIDENCE.
The Big Bang Theory Season 1, Episode 4