Season 1, Episode 10
"The First Churchills," Chapter 10. John, now Duke of Marlborough, defeats the French in the Battle of Blenheim. John Neville. Louis XIV: Robert Robinson. Sarah: Susan Hampshire. D'Avaux: Roger Hammond. Stuart: Freddie Wilson. Anne: Margaret Tyzack. Rochester: John Ringham.
Original Air Date: Mar 14, 1971