A fellow allotment holder claims that talking and playing music to his plants gives better yields, so Tom decides to do a scientific experiment, enlisting Barbara's help. Unfortunately, playing music to the crops in the back garden threatens to sour their relationship with Margo, who is standing for election as president of the local amateur operatic society.

• Esmonde and Larbey
• Bob Larbey
• John Esmonde

• Timothy Bateson
• Richard Briers
• Philip Madoc