
7.3
Ten thousand years before the ascension of Paul Atreides, sisters Valya and Tula Harkonnen establish the fabled sect and female order that would become known as the Bene Gesserit to control the future of humankind.
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1Episode 1The Hidden Hand
66 min
On Wallach IX, young Valya Harkonnen promises Mother Superior Raquella that she'll protect the Sisterhood by putting one of their own on the Imperial Throne. Thirty years later, Valya faces a threat to her long-awaited plan.
2Episode 2Two Wolves
63 min
After receiving word about events on Salusa Secundus, Valya brings Theodosia to the Imperial House to help manage the situation. Meanwhile, a reluctant Tula enlists Lila for a vital mission.
3Episode 3Sisterhood Above All
62 min
Following a tragedy, young Tula worries about being accepted despite her family name, while a skeptical Valya struggles with the decision to take the Sisterhood vow. Years later, Valya receives a message that confirms her suspicions.
4Episode 4Twice Born
63 min
As Tula attempts to understand the acolytes' shared dream, Valya sets her plan in motion to redeem House Harkonnen ahead of the Landsraad.
5Episode 5In Blood, Truth
58 min
While Tula tries to keep her secret project from being discovered by the other Sisters, Desmond goes on a warpath to root out insurgents.
6Episode 6The High-Handed Enemy
81 min
As Tula contends with his true identity, Valya's maneuvering leads her into an epic confrontation with an increasingly powerful Desmond.

Emily Watson
Mother Superior Valya Harkonnen

Olivia Williams
Reverend Mother Tula Harkonnen

Travis Fimmel
Desmond Hart

Jodhi May
Empress Natalya Arat Corrino

Sarah-Sofie Boussnina
Princess Ynez Corrino

Chloe Lea
Sister Lila

Chris Mason
Keiran Atreides

Mark Strong
Emperor Javicco Corrino

Jade Anouka
Sister Theodosia

Edward Davis
Harrow Harkonnen

Faoileann Cunningham
Sister Jen

Aoife Hinds
Sister Emeline
6.5