23:15The Pickerskill DetentionsEpisode 1: A Pickerskill ExcursionBBC Radio 4 Extra Duration: 15 minutes Tue 19th Jun 2012, 23:15 on BBC Radio 4 ExtraRetired English master Dr Henry Pickerskill recalls his most memorable detentions. Stars Ian Richardson. From July 2005.GenresComedySeriesThe Pickerskill Detentions Source: BBC Online