In this episode Brenna Judkins and Becky Webb improvise a correspondence between a Miss Marple inspired amateur detective and a real hardened detective

Kate Bell and Fiona Howat improvise a chain of letters loosely inspired by Victorian gothic literature.

Is there something in the attic? Why has Penelope's husband been so long dealing with a Count in Eastern Europe? Will Mildred save the day?

We will find out in this week's Pen Pals Improv

The truth about cats and dogs... and letter writing....

Matthew Nicholson (Let Us Make It Up To You, The Hang, PeaSoup) is a puppy dog and Hazel Dixon (Let Us Make It Up To You, The Hang, Bobbit Worm Games) is a cat that have recently been seperated - they catch up by writing letters and wonder if they can solve their humans...

Susan Harrison (Showstoppers, These Folk, Beings) and Stephen Davidson (Impromiscuous, The Improvised Play) improvise letters between two flat mates that do not get to see each other in person.

Will Hines (Author of the How To Be The Greatest Improvisor on Earth and performer with The Upright Citizens Brigade) improvises a chain of letters with Mark Rawle (of Fright Club and Hoopla).

The letters explore the crumbling relationship between two old friends whose lives have taken very different directions.

Two astronauts prepare for a "Mission to Mars" by checking out each others good and bad habits.

Michelle Gilliam is head of Improv MKE in Milwaukee and Emma Bird runs Liverpool Comedy Improv in the UK

Matthew Nicholson steps in as host for this episode as Owen and Will from Let Us Make It Up To You write letters as ex-circus friends.

Two old friends reconnect after a chance encounter that one of them just had to write about...

Mara Joy (Spontaneous Players) and Edmund Fargher (The Maydays) improvise a chain of letters with real heart and lots of amusing details.