Booth: I need you to be Dr. Brennan.
Zack: (quoting Brennan) I don't know what that means.
Zack: (quoting Brennan) I don't know what that means.
Booth : I need you to be Dr. Brennan.
Zack : (quoting Brennan) I don't know what that means.
http://www.tv-quotes.com/shows/bones/quote_21478.html