07:00The Pickerskill DetentionsEpisode 4: The Black-Eyed MarketeerBBC Radio 4 Extra Duration: 15 minutes Tue 8th Oct 2013, 07:00 on BBC Radio 4 ExtraRetired English master Dr Henry Pickerskill recalls his most memorable detentions. Stars Ian Richardson. From August 2005.GenresComedySeriesThe Pickerskill Detentions Source: BBC Online