The royal family mourns the passing of Winston Churchill. The United Kingdom ushers in a new prime minister, the Labour Party's Harold Wilson whom Prince Philip and Queen Elizabeth hear might be a Soviet spy.
While Princess Margaret and Lord Snowdon visit the USA, the queen, at the bidding of Harold Wilson, asks them to make a side trip to Washington, D.C. to ask President Johnson for financial assistance for the United Kingdom.
A horrible disaster in the Welsh town of Aberfan leaves scores of children dead, but when the Queen takes a week to decide to visit the town to offer solace to its people, she must confront her reasons for postponing the trip.
Left without a home by a political coup in Athens, Philip's eccentric mother, Princess Alice of Greece, is invited to live in Buckingham Palace by the Queen.
While the Queen travels abroad to learn about horse training, unhappiness among the British elite with the devaluation of the pound involves Lord Mountbatten in a plan to oust Harold Wilson.
Prince Charles is sent to Aberystwyth to learn Welsh from an ardent nationalist in preparation for the ceremony for his investiture as Prince of Wales.
As Charles begins dating Camilla Shand, Elizabeth considers visiting an ill Duke of Windsor in Paris, whose destiny changed when he met Wallis Simpson.
As her marriage falls apart, Princess Margaret finds solace in the arms of a much younger landscape gardener. The Queen and the nation celebrate Elizabeth II's Silver Jubilee.
Amid a growing challenge to her power, Thatcher fights for her position. Charles grows more determined to separate from Diana as their marriage unravels.
In 1946, an Egyptian street vendor finds inspiration in the abdicated King Edward. Years later, he eagerly tries to integrate into British High Society.
Diana holidays in Saint-Tropez with Al-Fayed and bonds with his son Dodi. Charles is crushed when the Queen won't attend Camilla's 50th birthday party.
Hounded by press and adoring girls, 15-year-old William struggles to find stability after Diana's death. Charles enlists his own parents to help his son.
After a series of strokes, a declining Margaret recalls a wild night with her sister at the Ritz in 1945, and later celebrates her 70th birthday there.
Reeling from loss and wary of her Golden Jubilee, the Queen bonds with William, who finds his footing between normality and life in the royal limelight.
The Queen gives Charles the green light to wed Camilla. Tasked with planning her own funeral ahead of her 80th birthday, she faces an existential crisis.
Royal historian Robert Lacey reveals how accurate the series really is, from that pet raven scene to whether the monarch really did climb up to the Kenyan tree-tops.