Hint: He and Darth Vader
are tied for number two.
The Big Bang Theory Season 3, Episode 15
I'll give you a HINT. I have a bracelet
with my own address on it.
The Big Bang Theory Season 6, Episode 22
Don't worry, I can take a HINT.
The Big Bang Theory Season 7, Episode 3
I'll give you a HINT,
The Big Bang Theory Season 10, Episode 5
Hint: it's a cube of a cube
of a prime.
The Big Bang Theory Season 12, Episode 23