
I really think we should examine
the CHAIN of causality here.
The Big Bang Theory Season 1, Episode 1

As we like to say,
"It's off the CHAIN mail."
The Big Bang Theory Season 10, Episode 17

So, why did the Citadel take your CHAIN?
Game of Thrones Season 3, Episode 7

Can we please just go in?
My CHAIN mail's stuck in my underwear.
The Big Bang Theory Season 2, Episode 2

Know why sharks
are at the top
of the food CHAIN, Hank?
Breaking Bad Season 2, Episode 5