but when they're TWIN primes,
The Big Bang Theory Season 9, Episode 12
...since I beat out my TWIN sister
for the "Did It On The Potty" trophy.
The Big Bang Theory Season 8, Episode 23
The Crown and the Faith
are the TWIN pillars of the world.
Game of Thrones Season 6, Episode 3
I already shared a uterus
with my TWIN sister.
The Big Bang Theory Season 12, Episode 19
Penny, this is Sheldon's TWIN sister.
Missy, this is our neighbor Penny.
The Big Bang Theory Season 1, Episode 15