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

- That can't just be a COINCIDENCE.
- Ugh.
The Big Bang Theory Season 3, Episode 17

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

Huh? Can't be a COINCIDENCE.
The Big Bang Theory Season 1, Episode 12

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