
Why would he CHAIN up Stephen Hawking?
The Big Bang Theory Season 6, Episode 8

And a CHAIN and a keep
are nothing
Game of Thrones Season 7, Episode 1

you are gonna get squeezed
right through the CHAIN links.
Breaking Bad Season 4, Episode 3

...and the inability of some people
to follow the CHAIN of command.
The Big Bang Theory Season 1, Episode 6

And once I have my CHAIN,
I'll return to Castle Black.
Game of Thrones Season 6, Episode 6