
Season 4 (2020)
As the 1970s are drawing to a close, Queen Elizabeth and her family find themselves preoccupied with safeguarding the line of succession by securing an appropriate bride for Prince Charles, who is still unmarried at 30.
Episodes: 10
Star Cast: Olivia Colman , Tobias Menzies , Helena Bonham Carter , Gillian Anderson ,
Episodes List

Ep.1 Gold Stick
Air Date: 2020-11-15
As Elizabeth welcomes Britain's first woman prime minister and Charles meets a young Diana Spencer, an IRA attack brings tragedy to the royal family.

Ep.2 The Balmoral Test
Air Date: 2020-11-15
Margaret Thatcher visits Balmoral but has trouble fitting in with the royal family, while Charles finds himself torn between his heart and family duty.

Ep.3 Fairytale
Air Date: 2020-11-15
After Charles proposes, Diana moves into Buckingham Palace and finds her life filled with princess training, loneliness — and Camilla Parker Bowles.

Ep.4 Favourites
Air Date: 2020-11-15
While Margaret Thatcher struggles with the disappearance of her favorite child, Elizabeth reexamines her relationships with her four children.

Ep.5 Fagan
Air Date: 2020-11-15
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.

Ep.6 Terra Nullius
Air Date: 2020-11-15
On a tour of Australia, Diana struggles to balance motherhood with her royal duties while both she and Charles cope with their marriage difficulties.

Ep.7 The Hereditary Principle
Air Date: 2020-11-15
Grappling with mental health issues, Margaret seeks help and discovers an appalling secret about estranged relatives of the royal family.

Ep.8 48:1
Air Date: 2020-11-15
As many nations condemn apartheid in South Africa, tension mounts between Thatcher and Elizabeth over their clashing opinions on applying sanctions.

Ep.9 Avalanche
Air Date: 2020-11-15
Charles is caught in a deadly avalanche, prompting both him and Diana to reevaluate their commitment to their troubled marriage.

Ep.10 War
Air Date: 2020-11-15
Amid a growing challenge to her power, Thatcher fights for her position. Charles grows more determined to separate from Diana as their marriage unravels.