As the city buzzes over Edison’s electricity demonstration, Bertha plans a picnic that involves Mr. Raikes — but not Marian. Agnes entreats her niece to protect the family’s reputation. George prepares for a legal battle as he bristles over Larry’s career ambitions. Bannister plots his revenge. Turner gets an unwelcome surprise.

• Julian Fellowes

• Denée Benton
• Christine Baranski
• Cynthia Nixon