Cluedo (1991) S2E4, S2E5/Michael Jayston, Koo Stark, Rula Lenska, David McCallum

Agatha Christie style. :) A stranger lies dead in Arlington Grange and there are 6 suspects. The jury is trying to solve the mystery with the help of the presenter and Cluedo game rules. Starring Michael Jayston, Rula Lenska, Koo Stark, Molly Sugden, David McCallum, Richard Wilson, Chris Tarrant, Nick Berry.
E4. While everyone is busy preparing a charity auction to raise money for the new church roof, window cleaner Ben pokes his nose into the private affairs of too many Grange house guests.
E5. Miss Scarlett has fallen for Dave, the leader of a band of traveling hippies who have set up camp at Arlington. But when she invites him over for dinner, he appears to have more dubious connections to the rest of the dinner guests as well.