31 episodes. 31 settings, 31 stories and many many more characters, guest stars, jokes, surprises and even tears. Over six years, Inside No. 9 has built a hugely impressive back catalogue, and – currently airing its fifth series on BBC Two – is showing no sign of slowing down.

Reece Shearsmith and Steve Pemberton’s BBC Two anthology sets itself two rules: every story is limited to a single location (the ‘No.9 of the title), and every story takes place over just half an hour. Within those parameters, they’ve been to the 17th century, the Austrian Alps, London’s West End, a French sleeper train and a referee’s dressing room. They’ve done it silent, singing, backwards and in iambic pentameter.

Read more: Inside No. 9’s Reece Shearsmith and Steve Pemberton ‘We’re not sadists!’

And in addition to all that, they’ve even launched a series-accompanying podcast. Every week after the series five episode airs, you can listen to Shearsmith and Pemberton’s half-hour dissection over at BBC Sounds here.