Mike Fright (1934)
Stymie: [the Gang arrive at the radio station] Well, here we are, lady.
Receptionist: Who are you?
Stymie: The International Silver Strings Submarine Band.
Tommy: In person!
Receptionist: Are you sure?
Tommy: [a closeup of each boy's face reveals astonishment] We're the boys that called you up.
Scotty: [to Spanky] Maybe we ain't us.