All in the Family S02E14 - The Elevator Story

The Bunkers are celebrating Edith's birthday at an Italian restaurant in the city when Archie discovers that Edith failed to mail out a payment to the insurance company. This leads him to run across the street to drop it off. However, on his way he gets stuck in an elevator along with a pregnant Puerto Rican and her husband, an aging hippie, and an erudite black businessman