Not the CUBE, but the puzzle of
why I couldn't solve the CUBE.
The Big Bang Theory Season 12, Episode 19
He invented the Rubik's Cube.
The Big Bang Theory Season 9, Episode 24
Not the CUBE, but the puzzle of
why I couldn't solve the CUBE.
The Big Bang Theory Season 12, Episode 19
Hint: it's a CUBE of a CUBE
of a prime.
The Big Bang Theory Season 12, Episode 23
To make a CUBE of scrap from it
in a wreck yard.
Money Heist Season 1, Episode 7