S04E09: Avalanche
Charles is caught in a deadly avalanche, prompting both him and Diana to reevaluate their commitment to their troubled marriage.
Previous Episode 
Season 1
Wolferton Splash
S1E1 / 04 Nov 2016
Hyde Park Corner
S1E2 / 04 Nov 2016
Windsor
S1E3 / 04 Nov 2016
Act of God
S1E4 / 04 Nov 2016
Smoke and Mirrors
S1E5 / 04 Nov 2016
Gelignite
S1E6 / 04 Nov 2016
Scientia Potentia Est
S1E7 / 04 Nov 2016
Pride & Joy
S1E8 / 04 Nov 2016
Assassins
S1E9 / 04 Nov 2016
Gloriana
S1E10 / 04 Nov 2016
Season 2
Misadventure
S2E1 / 08 Dec 2017
A Company of Men
S2E2 / 08 Dec 2017
Lisbon
S2E3 / 08 Dec 2017
Beryl
S2E4 / 08 Dec 2017
Marionettes
S2E5 / 08 Dec 2017
Vergangenheit
S2E6 / 08 Dec 2017
Matrimonium
S2E7 / 08 Dec 2017
Dear Mrs. Kennedy
S2E8 / 08 Dec 2017
Paterfamilias
S2E9 / 08 Dec 2017
Mystery Man
S2E10 / 08 Dec 2017
Season 3
Olding
S3E1 / 17 Nov 2019
Margaretology
S3E2 / 17 Nov 2019
Aberfan
S3E3 / 17 Nov 2019
Bubbikins
S3E4 / 17 Nov 2019
Coup
S3E5 / 17 Nov 2019
Tywysog Cymru
S3E6 / 17 Nov 2019
Moondust
S3E7 / 17 Nov 2019
Dangling Man
S3E8 / 17 Nov 2019
Imbroglio
S3E9 / 17 Nov 2019
Cri de Coeur
S3E10 / 17 Nov 2019
Season 4
Gold Stick
S4E1 / 15 Nov 2020
The Balmoral Test
S4E2 / 15 Nov 2020
Fairytale
S4E3 / 15 Nov 2020
Favourites
S4E4 / 15 Nov 2020
Fagan
S4E5 / 15 Nov 2020
Terra Nullius
S4E6 / 15 Nov 2020
The Hereditary Principle
S4E7 / 15 Nov 2020
48:1
S4E8 / 15 Nov 2020
Avalanche
S4E9 / 15 Nov 2020
War
S4E10 / 15 Nov 2020
Season 5
Queen Victoria Syndrome
S5E1 / 09 Nov 2022
The System
S5E2 / 09 Nov 2022
Mou Mou
S5E3 / 09 Nov 2022
Annus Horribilis
S5E4 / 09 Nov 2022
The Way Ahead
S5E5 / 09 Nov 2022
Ipatiev House
S5E6 / 09 Nov 2022
No Woman's Land
S5E7 / 09 Nov 2022
Gunpowder
S5E8 / 09 Nov 2022
Couple 31
S5E9 / 09 Nov 2022
Decommissioned
S5E10 / 09 Nov 2022
Season 6
Persona Non Grata
S6E1 / 16 Nov 2023
Two Photographs
S6E2 / 16 Nov 2023
Dis-Moi Oui
S6E3 / 16 Nov 2023
Aftermath
S6E4 / 16 Nov 2023
Willsmania
S6E5 / 14 Dec 2023
Ruritania
S6E6 / 14 Dec 2023
Alma Mater
S6E7 / 14 Dec 2023
Ritz
S6E8 / 14 Dec 2023
Hope Street
S6E9 / 14 Dec 2023
Sleep, Dearie Sleep
S6E10 / 14 Dec 2023
Imelda Staunton
Queen Elizabeth II
Jonathan Pryce
Prince Philip, Duke of Edinburgh
Lesley Manville
Princess Margaret
Dominic West
Prince Charles
Claudia Harrison
Princess Anne
