Gimme a Break! (1981) : 5x9

Nell finds out that Addy is engaged to be married to her dentist, who has been previously married before, and has several children from each marriage. When Nell decides to accept Addy's engagement as a sign of happiness for her, she helps her select her wedding ring. However, when they begin to quarrel again over the engagement, they both go into seperate elevators, and they break down. Nell gets on her phone and Addy gets on hers and they talk to each other about past times in Alabama to get them throguh this horrific moment. When Nel tells Addy she should call her fiance, his new girlfriend answers, and Addy decides to shut him out of her life forever. Finally, the fire department arrives and gets them to safety.