...and told him it's against the law
to have YELLOW cake uranium in a shed.
The Big Bang Theory Season 1, Episode 4
All I see is
a YELLOW smudge.
The Big Bang Theory Season 12, Episode 4
Penny was the teacher.
When the light turned YELLOW...
The Big Bang Theory Season 3, Episode 16
The prisoners from the Yellow Fork.
Game of Thrones Season 2, Episode 7
Yellow. Go ahead.
The Big Bang Theory Season 4, Episode 22