First of 20 programmes taking a look at the week's TV presented by Ludovic Kennedy , who discusses Dennis Potter 's play Rain on the Roof (LWT), the prison documentary series Strangeways (BBC1) and the romantic drama serial Mackenzie (BBC1) with theatre critic Michael Billington , prison governor William Driscoll and novelist Susan Howatch , author of Penmarric.
Sue Peacock introduces the Did You See viewers' quiz - this week: army comedies.
Shoestring's originator, Robert Banks Stewart , talks of the popularity of his wry radio gumshoe.
