Fire at Riff's - S6.E19

Paul convinces Jamie to quit her job. Joan is posing for ""The 20 Most Eligible Bachelorettes in New York"" for a magazine and Debbie is jealous. Paul, Jamie, Ira, Joan and Debbie go to Riff's, where a fire breaks out while Paul is in the bathroom. Ira saves Ursula's life while Jamie, Debbie and Joan run out, leaving Paul in the bathroom. Joan asks Debbie to marry her.