It was first broadcast in the United Kingdom on 1 March 1968 ( 1968 - 03 - 01 ) on ATV Midlands , was written by Tony Barwick .
It was first directed by Robert Lynn .
It was first broadcast in the United Kingdom on 1 March 1968 ( 1968 - 03 - 01 ) on ATV Midlands , was written by Tony Barwick and directed by Robert Lynn .