
- Um, can you give me a HINT?
- Stan Lee.
The Big Bang Theory Season 3, Episode 16

I'll give you a HINT.
The Big Bang Theory Season 12, Episode 6

I'll give
you a HINT.
The Big Bang Theory Season 11, Episode 16

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

Hint: it's based
on Sanskrit,
The Big Bang Theory Season 12, Episode 2