What's So Funny?Series 328/09/2012BBC Radio 4 Extra Duration: 30 minutesFirst broadcast: Fri 28th Sep 2012, 07:30 on BBC Radio 4 ExtraLatest broadcast: Sun 30th Sep 2012, 05:30 on BBC Radio 4 ExtraEd Byrne welcomes Stewart Francis, Lloyd Langford and guests to preview the Liverpool Comedy Festival which starts this week.GenresComedyBrandWhat's So Funny?SeriesWhat's So Funny?: Series 3 Source: BBC Online