I am not usually a fan of sitcoms but there are a handful on Radio 4 which I enjoy. Old Harry's Game and Cabin Pressure top the list, but I will give Think the Unthinkable a listen whenever it bobs back up to the surface on 4 Extra. I never had all that strong an impression of the characters, visually, but I tried my hand at the two ladies of Unthinkable Solutions and I thought they turned out all right:
