First broadcast 9th January 1974.<br /><br />The three flatmates plan a party, taking advantage of the fact that the Ropers will be out visiting Mildred's sister and her husband.<br /><br />Richard O'Sullivan - Robin<br />Paula Wilcox - Chrissy<br />Sally Thomsett - Jo<br />Yootha Joyce - Mildred Roper<br />Brian Murphy - George Roper<br />Ian Lavender - Mark<br />Michael Segal - Jim<br />Jenny Hanley - Liz<br />Jeffrey Gardiner - Maurice<br />Colin McCormack - Henry
