A baseball game is going on in New York City, at the Polo Grounds (although the rooftop facade is more suggestive of Yankee Stadium), between the visiting "Gas-House Gorillas" and the home team, the "Tea Totallers".
In 1916, beautiful young mute Helen is a domestic worker for elderly, ailing Mrs. Warren. Mrs. Warren's two adult sons, Albert (a professor) and womanizing impudent Steven, also live in the Warren mansion.
A circus is being set up just above Bugs' rabbit hole, causing much noise and vibration. The Lion cage is set up directly above the hole, and the Lion takes deep sniffs (alternatively yanking Bugs towards the hole or throwing him back) to determine that the animal below is Bugs.