
...while I build CARBON atoms.
The Big Bang Theory Season 3, Episode 14

Needed bigger CARBON atoms.
The Big Bang Theory Season 3, Episode 14

Carbon.
The Big Bang Theory Season 12, Episode 23

I don't know. How do CARBON atoms
form a benzene ring?
The Big Bang Theory Season 2, Episode 13

Not lima beans. Carbon atoms.
The Big Bang Theory Season 3, Episode 14