Amy: Hang on, Doctor C. What's vexillology?
Sheldon: Vexillology is the study of flags.
Amy: Cool. I think I just learned something!
Sheldon: Did you have fun doing it?
Amy: I'll say!
[Leonard walks into his apartment after his date with Penny]
Sheldon: Vexillology is the study of flags.
Amy: Cool. I think I just learned something!
Sheldon: Did you have fun doing it?
Amy: I'll say!
[Leonard walks into his apartment after his date with Penny]
Amy : Hang on, Doctor C. What's vexillology?
Sheldon : Vexillology is the study of flags.
Amy : Cool. I think I just learned something!
Sheldon : Did you have fun doing it?
Amy : I'll say!
[Leonard walks into his apartment after his date with Penny]
http://www.tv-quotes.com/shows/the-big-bang-theory/quote_21021.html