As tensions with Philip increase, Elizabeth spends time with her old friend Porchey. Churchill’s portrait is painted for his 80th birthday.

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.

With King George too ill to travel, Elizabeth and Philip embark on a four-continent Commonwealth tour. Party leaders attempt to undermine Churchill.

As the Soviets test the H-bomb, both Churchill and Eden have major health crises. Angry about her inadequate education, Elizabeth hires a tutor.

When dense smog cripples London for days and creates a serious health hazard, Churchill’s inaction leaves him vulnerable to his political enemies.

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.

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.

Elizabeth rejects protocol by appointing Philip to coordinate her coronation, but his ideas create conflict. The Duke of Windsor returns to London.

Margaret and Peter are reunited, but another obstacle stands in their way. Elizabeth is torn between her duty as Queen and her love for her sister.

A secret World War II document opens Elizabeth's eyes to grim realities about a family member. The Duke of Windsor campaigns to re-enter public life.

As Thatcher's policies create rising unemployment, a desperate man breaks into the palace, where he finds Elizabeth's bedroom and awakens her for a talk.

After Elizabeth makes a tone-deaf speech at a Jaguar factory, she and the monarchy come under public attack from an outspoken lord.

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.

Elizabeth and Philip go on an exhausting world journey. Margaret takes over some of her sister’s official duties and tries to liven things up.

Inspired by Jackie Kennedy and against her government's wishes, Elizabeth takes an unconventional approach to resolving an issue with Ghana.

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.

After Charles proposes, Diana moves into Buckingham Palace and finds her life filled with princess training, loneliness — and Camilla Parker Bowles.

As many nations condemn apartheid in South Africa, tension mounts between Thatcher and Elizabeth over their clashing opinions on applying sanctions.

Charles is caught in a deadly avalanche, prompting both him and Diana to reevaluate their commitment to their troubled marriage.

A young Princess Elizabeth marries Prince Philip. As King George VI’s health worsens, Winston Churchill is elected prime minister for the second time.

On a tour of Australia, Diana struggles to balance motherhood with her royal duties while both she and Charles cope with their marriage difficulties.

The Queen spends quality time with Prince William. On Guy Fawkes Night, fireworks make for a perfect distraction from Diana's BBC interview.

As the world mourns, the Queen's silence prompts ire and warnings from a grieving Charles. How will she rise to the occasion and mother her nation?

With Elizabeth in a new role, Philip tries to assert some power. Churchill wants to delay the coronation. King George’s disgraced brother arrives.