Last in the series which equips members of the public with a camcorder in order to pursue their own investigations.

This week, Michael O'Keeffe from Liverpool, who is single and in his 20s, finds out if pheromone sprays - which are claimed to make men irresistible to women - really work. He conducts his own research in the night spots of Bolton, asks scientific experts to analyse the components, and tackles the manufacturers about the success stories quoted in their adverts.