Nick Warburton - On Mardle FenSeries 3Episode 4: The Dancing StoneBBC Radio 4 Extra Duration: 45 minutesFirst broadcast: Fri 24th Feb 2012, 11:15 on BBC Radio 4 ExtraLatest broadcast: Sat 25th Feb 2012, 04:15 on BBC Radio 4 Extra4 Extra Debut. Buoyant Warwick spots a mysterious stone and wants it in the restaurant, but Sam says to move it at his peril. Stars Trevor Peacock.GenresDramaBrandNick Warburton - On Mardle FenSeriesNick Warburton - On Mardle Fen: Series 3 Source: BBC Online