The only problem with this doco, which asks why men are obsessed with the size of their penises, is that the focus is too narrow - although the length is about right. Arf-arf.

There is plenty of interesting stuff here: did you know that in ancient Greece small was considered beautiful and having a big willy marked you as an uncultured lout?

The presenter, Lawrence Barraclough, uses some novel techniques to get his point across, such as pacing the high street wearing a sandwich board emblazoned with the message: "I want to talk about penises."