...YELLOW is frightened...
The Big Bang Theory Season 4, Episode 22
Under the sink. Yellow Tupperware bowl.
The Big Bang Theory Season 1, Episode 11
What does red and YELLOW mean?
The Big Bang Theory Season 8, Episode 22
No sunflowers. I don't like YELLOW.
Game of Thrones Season 5, Episode 2
vasculitis and YELLOW eyes.
The Big Bang Theory Season 11, Episode 14