First broadcast 6th February 1974.
To allow Jo to go out on a date, Chrissy and Robin agree to baby-sit on her behalf for Mr. and Mrs. Randall - but Robin is severely disappointed.
Richard O'Sullivan - Robin
Paula Wilcox - Chrissy
Sally Thomsett - Jo
Yootha Joyce - Mildred Roper
Brian Murphy - George Roper
Richard Fraser - Simon Randall
Jo Kendall - Podge Randall
Karl Howman - Philip
Bella Emberg - Podge's Mother