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The Better Sister is an eight-episode Prime Video limited series about two estranged sisters pulled back into each other’s lives after the murder of one sister’s husband. Jessica Biel plays Chloe, a successful media executive; Elizabeth Banks plays Nicky, her financially struggling sister. All eight episodes are available on Prime Video.
What is The Better Sister about?
Chloe Taylor appears to have a polished life: she is a high-profile media executive, married to Adam, and raising their teenage son, Ethan. Her sister Nicky is estranged from her and struggling to make ends meet and stay clean. When Adam is murdered, the investigation brings Chloe and Nicky together again. They must reckon with their family history while trying to understand what happened.
Prime Video’s synopsis captures the pressure around Chloe: “Now cops are asking a lot of questions she doesn’t want to answer, and even worse, they called her sister.” The murder establishes the series’ central mystery: who killed Adam? This guide avoids revealing the answer.
Who plays Chloe and Nicky in The Better Sister?
Jessica Biel plays Chloe Taylor, and Elizabeth Banks plays Nicky. The principal cast also includes Corey Stoll as Adam, Kim Dickens as Detective Nancy Guidry, and Maxwell Acee Donovan as Ethan. Amazon additionally lists Bobby Naderi, Gabriel Sloyer, Gloria Reuben, Matthew Modine, and Lorraine Toussaint.
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Is The Better Sister based on a book?
Yes. The series adapts Alafair Burke’s novel The Better Sister. The book is an optional companion for viewers who want to explore the story in its original novel form; you do not need to read it to follow the series. The available official descriptions establish the adaptation, but not a reliable scene-by-scene account of how the novel and show differ. Avoid assuming particular changes to characterization, the order of revelations, or the ending without comparing both versions directly.
How many episodes are there, and when did the series premiere?
The season has eight episodes, and Prime Video says all eight are available. For the US premiere date, Amazon’s overview and the Television Academy identify May 29, 2025. The Prime Video season listing dates its first episode May 28, 2025; the listing and premiere materials therefore show a one-day difference. The broadly stated US premiere date is May 29.
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Where can you watch The Better Sister?
The series is available on Prime Video. Amazon’s US viewing information describes access with a Prime membership and lists web, mobile, set-top box, game console, and select smart-TV viewing, as well as downloads on iOS, Android, and Fire devices. Catalog availability, membership terms, and device support can vary by location and change over time, so check your local Prime Video listing and device compatibility.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Want the ending explained?
Spoiler warning: The answer to who killed Adam reveals a key part of the mystery. TIME published an ending explainer on the series’ premiere day; its account is for readers who have finished the season or are comfortable learning the resolution.
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Sources: Amazon’s series and viewing overview; Prime Video season listing; Television Academy feature announcement; TIME’s ending explainer; Associated Press preview.
Quick Recap
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- Sweet small book for new big sisters
- Encourage gentleness, a helpful spirit, and self worth
- Teaches little ways for sister to help with baby
- Adorable illustrated pictures hold attention
- Delight and entertaining for little girls
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