When Amos' sister & her in-laws descend upon Cabot Cove, Jessica hosts a dinner party with homicidal results, leaving the finger pointing at the Sheriff's sister.

Here is a link to Murder, She Wrote Season 4 on Amazon (through IMDb TV) https://www.amazon.com/Murder-She-Wrote-Season-4/dp/B07Q4HC174

Guest Stars include:
1. Anne Meara (Awakenings) as Winnie Tupper Banner
2. Barbara Rhoades (Soap) as Flo Oakes
3. Donnelly Rhodes (Danger Bay) as Ed Bellamy
4. Guy Stockwell (Beau Geste) as Elmo Banner
5. Henry Gibson (Laugh-In) as Harold Banner
6. Geoffrey Lewis (The Devil's Rejects) as Kenny Oakes
7. Colleen Camp (Clue) as Deputy Marigold Feeney

Series regulars Tom Bosley (Amos Tupper) and William Windom (Dr. Seth Hazlitt) are in this episode as well.

Here is a link to the IMDb page: https://www.imdb.com/title/tt0653701/?ref_=fn_al_tt_1