In "It Happened One Night", a 1934 American romantic comedy film with elements of screwball comedy directed and co-produced by Frank Capra, in collaboration with Harry Cohn, in which a pampered socialite (Claudette Colbert) tries to get out from under her father's thumb and falls in love with a roguish reporter (Clark Gable), the reporter teaches her the proper way to dunk a doughnut at a diner. As an heiress who normally dines in elegant hotels, she is unfamiliar with the cultural practices of everyday people.