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

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

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