JFK derails Doctor Who, plus the drama that was too terrifying to show: 100 years of the BBC, part five

So alarming that BBC managers contacted The War Office … The War Game. Photograph: TCD/Prod.DB/Alamy

The BBC launches four TV long-runners and four radio stations still in the schedules today, sees the appeal of police procedurals and, influenced by America, looks into the night.

1962 – Z Cars/Dr Finlay’s Casebook