Alfred: "My duties do not include aiding and abetting thievery."
Alfred, in disguise: "I'm the oldest living hippie in this country. 'Course you may have heard about my being the first Boy Scout dropout at the turn of the century."
Batgirl, in a flying saucer: "How did you get mixed up in a thing like this, Alfred?"
Alfred: "My job as millionaire Bruce Wayne's butler sometimes calls for extracurricular activities, but this - this is going too far!"
Alfred (dropping Batman off on the Alf-cycle): "There we are, sir."
Batman: "Thanks for the lift, citizen."
Alfred: "Least I could do, Sir."