Episode 1577 (25th February 1976)

Plot
It is Rita's 43rd birthday. Derek Wilton asks Mavis out for lunch, she accepts. The girls can't stop the Peter Dawson and Brian Jones having things on tick. Derek and Mavis enjoy themselves and arrange a date for Saturday. Rita warns Mavis that he's probably married. Stan discovers another Mason has to propose him. He gives the idea up. The girls discover they're owed £26.70 by Peter and Brian.

Guest cast

 * Peter Dawson - David Sharpe
 * Brian Jones - Bryan Cooke