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

...YELLOW is frightened...
The Big Bang Theory Season 4, Episode 22

vasculitis and YELLOW eyes.
The Big Bang Theory Season 11, Episode 14

Penny was the teacher.
When the light turned YELLOW...
The Big Bang Theory Season 3, Episode 16

She had YELLOW hair.
Game of Thrones Season 1, Episode 4