106. It Runs in the Family (Season 4, Episode 6) (First Aired on November 1, 1987)
Jessica's British cousin, Emma MacGill (played by Angela Lansbury), is charged with an old flame's murder. This episode can be streamed on Amazon and Peacock. Guest Stars include: 1. Christopher Hewett (Mr. Belvedere) as Humphrey Defoe 2. Richard Johnson (The Haunting) as Lord Geoffrey Constable 3. John Standing (V for Vendetta) as Arthur Constable 4. Carolyn Seymour (Congo) as Pauline Constable 5. Rosemary Murphy (To Kill a Mockingbird) as Sybil Constable 6. Mark Lindsay Chapman (Titanic) ...