Sheldon gets into an argument with Stephen Hawking over a game of Words With Friends on The Big Bang Theory. "The Extract Obliteration" is the sixth episode of the show's sixth season.

The Big Bang Theory Season 6 Episode 6 Quotes

What do Sheldon Cooper and the black hole have in common? They both suck.

Professor Hawking

Not to mention, your acting career is going south like Sherman. Read about it in your book.