Inside No.9 is back for a seventh series of perfectly crafted black comedy drama with a twist in every tale. 

Reece Shearsmith and Steve Pemberton's world of the extraordinary and macabre has been a huge success, and has won numerous awards since it first appeared on our screens in 2014.

Inside No.9: Nine things you didn't know about the series

Find out everything we know so far about the show's latest season – including a stellar line-up of guest stars.

Steve Pemberton and Reece Shearsmith BBC

When is season 7 released?

Season 7 of Inside No.9 began on BBC Two at 10pm on Wednesday 20 April, with new episodes airing every Wednesday.

Catch up on BBC iPlayer. 

How many episodes are there?

There will be six 30-minute episodes of Inside No.9 season 7.

Episode 1: Merrily, Merrily

Inside No.9 - Merrily, Merrily BBC/Adam Lawrence

Episode 1, titled Merrily, Merrily, finds Lawrence (Shearsmith) arranging a reunion with his old university friends at a remote lake. A lot of water has passed under the bridge since then, and as they strike out across the lake, the conversation takes them into choppier waters. The opening episode of the series guest stars Diane Morgan, and Pemberton and Shearsmith's League of Gentlemen collaborator, Mark Gatiss.

Watch Merrily, Merrily on BBC iPlayer.

Episode 2: Mr King

Inside No.9 - Mr King BBC/Jack Barnes

In Episode 2, Mr King, Shearsmith plays Alan Curtis, a new teacher at a small village primary school in rural Wales. Passionate about teaching, Alan throws himself into the new job but finds himself overshadowed by his charismatic and much-loved predecessor, Mr King. Pemberton plays Mr Edwards and Annette Badland appears as Winnie. 

Watch Mr King on BBC iPlayer.

Episode 3: Nine Lives Kat

Inside No.9 - Nine Lives Kat BBC/Adam Lawrence

Hard-as-nails Detective Inspector Katrina, a divorcee and single mum, is determined to crack the case of the missing boy. But there's also her drinking, her love life and her inner demons. She doesn't want help, but it turns up anyway. Sophia Okonedo plays Katrina and Siobhan Redmond and Robin Weaver also guest star alongside Shearsmith and Pemberton.

Watch Nine Lives Kat on BBC iPlayer.

Episode 4: Kid/Nap

Inside No.9 - Kid/Nap BBC

Shane and Clifford have a plan to abduct the wife of a wealthy hedge fund manager. If he won't pay them the money, they'll snip her ears off to prove they mean business. Everything in the plan depends on everyone playing their part right to the end. Daniel Mays and Jason Isaacs guest star as the two desperate villains, with Daisy Haggard joining them as their intended victim. 

Kid/Nap airs at 10pm on Wednesday 18 May on BBC Two.

Episode 5: A Random Act of Kindness

Inside No.9 - A Random Act of Kindness BBC

Helen and her teenage son Zach don’t really get on, until a random act of kindness brings the mysterious Bob to their front door.

He seems to understand their problems, and offers to help. But what effect will spending time with this kindly stranger have on their lives?

Guest stars Jessica Hynes as Helen and Noah Valentine as Zack.

A Random Act of Kindness airs at 10pm on Wednesday 25 May on BBC Two.

Episode 6: Wise Owl

Inside No.9 - Wise Owl BBC

Everyone remembers the Wise Owl, of course. The bossy cartoon bird keeping children safe back in the 1970s.

Those old information films had a lasting effect on all of us - especially Ronnie, who has spent his entire life trying to do the right thing. But what is right? And what is wrong?

Guest stars Ron Cook and Georgie Glenn.

Wise Owl airs at 10pm on Wednesday 1 June on BBC Two.

Is there a trailer?

There is - and here it is in all its spine-tinglingly creepy glory...

Who are the Inside No.9 season 7 guest stars?

Inside No.9 never disappoints when it comes to casting, with everyone from Sheridan Smith to Nicola Walker and Jason Watkins to Derek Jacobi snapping up the opportunity to appear alongside Pemberton and Shearsmith in a half-hour episode. 

The following cast members have been confirmed for season 7 – and, as usual, fans are in for a treat.

Creators Shearsmith and Pemberton said: "We hope you'll join us and another incredible cast of actors for more surprises that will make your jaws drop and spines tingle. Heads might even roll, and if not heads, definitely eyes.”

Diane Morgan

Diane Morgan David M. Benett/Getty

Appears in which episode? Episode 1 - Merrily, Merrily

Where have you seen her before? Mandy, Motherland, After Life, Cunk on Britain

Diane Morgan's best TV shows

Mark Gatiss

Mark Gatiss David M. Benett/Getty

Appears in which episode? Episode 1 - Merrily, Merrily

Where have you seen him before? Sherlock, Dracula, The League of Gentlemen

Annette Badland

Annette Badland Mike Marsland/Getty

Appears in which episode? Episode 2 - Mr King

Where have you seen her before? EastEnders, Ted Lasso, Midsomer Murders

Sophie Okonedo

Sophie Okonedo Getty

Appears in which episode? Episode 3 - Nine Lives Kat

Where have you seen her before? Modern Love, Britannia, Flack

Siobhan Redmond

Siobhan Redmond David M. Benett/Getty

Appears in which episode? Episode 3 - Nine Lives Kat

Where have you seen her before? The Replacement, Unforgotten, Taggart

Daniel Mays

Daniel Mays Dave J Hogan/Getty

Appears in which episode? Episode 4 - Kid/Nap

Where have you seen him before? Line of Duty, Good Omens, White Lines

Daniel Mays’ best TV shows and films

Jason Isaacs

Jason Isaacs Getty

Appears in which episode?  Episode 4 - Kid/Nap

Where have you seen him before? Harry Potter, Sex Education, The OA

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Daisy Haggard

Daisy Haggard Getty

Appears in which episode? Episode 4 - Kid/Nap

Where have you seen her before? Back To Life, Episodes, Breeders

Jessica Hynes

Jessica Hynes David M. Benett/Getty

Appears in which episode? Episode 5 - A Random Act of Kindness

Where have you seen her before? W1A, Spaced, Years and Years

Ron Cook

Ron Cook Getty

Appears in which episode? Episode 6 - Wise Owl

Where have you seen him before? Hot Fuzz, The Salisbury Poisonings, Des

Georgie Glen

Georgie Glen Roberto Ricciuti/Getty

Appears in which episode? Episode 6 - Wise Owl

Where have you seen her before? Call the Midwife, Waterloo Road, Little Britain

Watch Inside No.9 season 7 every Wednesday at 10pm on BBC Two from 20 April and catch up on BBC iPlayer.

Inside No.9 seasons 1-6 are available to watch on BBC iPlayer.