
I'd say these two
know their CHEMISTRY.
Breaking Bad Season 2, Episode 1

like cartel chemists asking me
CHEMISTRY stuff
Breaking Bad Season 4, Episode 9

to the geology lab
or the CHEMISTRY lab.
The Big Bang Theory Season 7, Episode 3

but then I realized, it's like the
CHEMISTRY set I had as a kid.
The Big Bang Theory Season 10, Episode 22

And in CHEMISTRY, no less.
The Big Bang Theory Season 7, Episode 10