I really think we should examine
the CHAIN of causality here.
The Big Bang Theory Season 1, Episode 1
Star Trek? My CHAIN mail.
The Big Bang Theory Season 12, Episode 24
And thus began the CHAIN of mistakes
that has led us both here.
Game of Thrones Season 5, Episode 1
Uh, did you notice your key CHAIN?
The Big Bang Theory Season 10, Episode 7
♪ Every dog that lived
His life on a CHAIN ♪
Breaking Bad Season 4, Episode 7