Pop-Pop: Made you a little study snack.
Barry: Whoa. Thanks, Pop-Pop. Is that a peeled lemon?
Pop-Pop: Oh, you betcha. This is brain food.
Barry: And is that just a tub of margarine?
Pop-Pop: Oh, look who's too good to put a butter substitute on a lemon. Now who's your number-one grandad? [smiles]
Barry: Why do you keep doing that with your face?