The Corn Is As High As a Guernsey's Eye

S3 E20: Aunt Clara is depressed by her waning magic. Larry Tate tells Darrin to forget the Morton Milk account since the Whittle Agency plans to display Ginger, the Morton's famous Guernsey cow in the lobby of the office building. Samantha hopes to cheer up Aunt Clara at lunch with Darrin, while Louise Tate minds Tabitha. Samantha goes off on an errand, leaving Aunt Clara in the lobby. Henerson, a policeman, forbids Culpepper , the deliveryman, to bring Ginger into the building. While they go off to phone, Barney, the elevator boy, sees Aunt Clara talking to a potted plant and suggests talking to the cow.