Christmas Special 1985 - S0.E1

Rita has come to stay but announces her intention to go back home on Christmas Eve. In order to persuade her to stay and help him look after Else Alf falls off a ladder and claims to have injured his leg. However,whilst Rita does stay,the knees up at the Christmas Day party goes so well that Alf's enthusiastic participation soon exposes his supposedly bad leg as nothing more than a ruse.