Episode 2578 (16th December 1985)

Plot
Alf and Audrey make preparations for the wedding. Dougal catches the rat in the Yard. Terry gives Sam two quid for the loan of the dog. Emily is forced to invite Percy for Christmas dinner. Phyllis tries to get an invitation for herself. Alf asks Mike to be his best man. Mike agrees and starts to organise the stag party. Terry discovers the rat is still at large.