
Some kind of CHEMICAL leaking
in your lab.
Breaking Bad Season 3, Episode 13

l have degrees in both biochemistry
and CHEMICAL engineering.
Breaking Bad Season 4, Episode 8

I was trying to suggest
CHEMICAL castration, but...
The Big Bang Theory Season 7, Episode 23

is the power to transmute
CHEMICAL elements.
The Big Bang Theory Season 7, Episode 3

What?
It's losing its CHEMICAL potency.
Breaking Bad Season 2, Episode 9