
All I'm saying is,
if they can cure YELLOW fever and malaria...
The Big Bang Theory Season 2, Episode 9

...Superman cleans his uniform
by flying into Earth's YELLOW sun...
The Big Bang Theory Season 2, Episode 11

Blue, YELLOW, pink,
whatever, man,
Breaking Bad Season 2, Episode 1

...and told him it's against the law
to have YELLOW cake uranium in a shed.
The Big Bang Theory Season 1, Episode 4

It's actually YELLOW discharge.
The Big Bang Theory Season 11, Episode 14