
Hint: it's a CUBE of a CUBE
of a prime.
The Big Bang Theory Season 12, Episode 23

He invented the Rubik's Cube.
The Big Bang Theory Season 9, Episode 24

You’re the lesbian. Your nugget
was as hard as a sugar CUBE.
Money Heist Season 1, Episode 5

It's pretty cool the way they do that.
They just turn a car into a CUBE.
Breaking Bad Season 5, Episode 8

Not the CUBE, but the puzzle of
why I couldn't solve the CUBE.
The Big Bang Theory Season 12, Episode 19