"What is the lightest element on Earth
with no STABLE isotope?"
The Big Bang Theory Season 1, Episode 13
Renly Baratheon shagged
half the STABLE boys in the Seven Kingdoms.
Game of Thrones Season 5, Episode 6
for synthesizing a new STABLE
super-heavy element?
The Big Bang Theory Season 7, Episode 6
Do you trust all those knights and ladies,
STABLE boys and serving girls?
Game of Thrones Season 5, Episode 1
I don't understand.
He was STABLE.
Westworld Season 2, Episode 4