10. Alf's Dilemma (aka Cleaning Up TV)

Alf has a stomach bug but Else has blocked the toilet with tea leaves so he has to keep going next door. After decrying immigrants for bringing in diseases, Alf learns that he is carrying a contagious bug himself and has to go into hospital. Rita and Mike gleefully burn his copy of notorious moral guardian Mary Whitehouse's 'Clean Up TV' to prevent further contamination.