A look at the week's television presented by Ludovic Kennedy , who discusses Arthur Miller 's television film Playing for Time (ITV); the Arena documentary Hazell Meets His Makers (BBC2); and the drama serial on a black detective in London which is called Wolcott (ATV) with The Rt Hon Dame Judith Hart , mp, Manuel Alvarado , University of London lecturer in television, and Trevor Phillips , reporter on the LWT programme Skin. Also Jeremy Isaacs , Chief Executive of Channel 4, talks about the organisation and structure of the new television channel.