Inside No 9: the 10 best episodes so far

Reece Shearsmith and Steve Pemberton’s horrifying anthology series returns on Sunday with a live Halloween special. Here are the finest moments from the first four seasonsFrom cryptic crosswords to children’s party games, Reece Shearsmith and Steve Pemberton’s compulsively horrifying anthology series Inside No 9 has converted all sorts of seemingly innocuous subjects into spine-tingling TV, unearthing incest, murder, modern slavery and more from beneath a host of apparently mun