Leonard: Alright, this is one-on-one. First person to five wins. Any questions? [Sheldon raises his hand] Yes, Sheldon?
Sheldon: Five what?
Sheldon: Five what?
Leonard : Alright, this is one-on-one. First person to five wins. Any questions? [Sheldon raises his hand] Yes, Sheldon?
Sheldon : Five what?
http://www.tv-quotes.com/shows/the-big-bang-theory/quote_21028.html
