
they theoretically can separate
the HYDROGEN from the oxygen,
Breaking Bad Season 2, Episode 12

Hydrogen.
The Big Bang Theory Season 12, Episode 23

- What are you doing in there?
- I'm making HYDROGEN sulfide...
The Big Bang Theory Season 4, Episode 4

A HYDROGEN atom, H,
plus pigs minus P, "higs."
The Big Bang Theory Season 3, Episode 13

Didn't you say you're making
HYDROGEN sulfide gas?
The Big Bang Theory Season 4, Episode 4