![He invented the Rubik's Cube.
He invented the Rubik's Cube.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
He invented the Rubik's Cube.
The Big Bang Theory Season 9, Episode 24
![Hint: it's a cube of a cube
of a prime.
Hint: it's a cube of a cube
of a prime.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Hint: it's a CUBE of a CUBE
of a prime.
The Big Bang Theory Season 12, Episode 23
![You’re the lesbian. Your nugget\Nwas as hard as a sugar cube.
You’re the lesbian. Your nugget\Nwas as hard as a sugar cube.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You’re the lesbian. Your nugget
was as hard as a sugar CUBE.
Money Heist Season 1, Episode 5
![To make a cube of scrap from it\Nin a wreck yard.
To make a cube of scrap from it\Nin a wreck yard.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
To make a CUBE of scrap from it
in a wreck yard.
Money Heist Season 1, Episode 7
![Not the cube, but the puzzle of
why I couldn't solve the cube.
Not the cube, but the puzzle of
why I couldn't solve the cube.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Not the CUBE, but the puzzle of
why I couldn't solve the CUBE.
The Big Bang Theory Season 12, Episode 19