All Her Fault

Available Now on Peacock

All Her Fault
Available Now on Peacock

All Her Fault

Drama • Limited Series • TV-MA • 1 Season • 8 Episodes • TV Series • 2025

Marissa Irvine arrives to collect her young son Milo from his first playdate, but the woman who answers the door isn't a mother she recognizes. She doesn't have Milo and has never heard of him. As every parent's worst nightmare begins to unfold, new questions lead to deep secrets, revealing cracks in the Irvine's seemingly perfect world until everything is left shattered.

Cast: Sarah Snook, Jake Lacy, Dakota Fanning, Michael Peña, , Sophia Lillis, Abby Elliott, Daniel Monks, Jay Ellis
Writer / Creator / Executive Producer: Megan Gallagher (Wolf, Suspicion)
Executive Producers: Nigel Marchant, Gareth Neame and Joanna Strevens for Carnival Films (The Day of the Jackal, Lockerbie: A Search for Truth, Downton Abbey), Sarah Snook, Minkie Spiro, Christine Sacani, and Jennifer Gabler Rawlings
Star/Executive Producer: Sarah Snook (Succession, Predestination)
Director (101-104): Minkie Spiro (3 Body Problem, Downton Abbey, Dead to Me)
Director (105-108): Kate Dennis (The Handmaid’s Tale, The Serpent Queen, New Amsterdam)
Producer: Terry Gould
Based on the Novel By / Associate Producer: Andrea Mara (All Her Fault)

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Watch All Her Fault Season 1

Episode 1

S1 E1 .
Marissa and Peter Irvine enter a nightmare when their young son Milo is kidnapped during a playdate.

Episode 2

S1 E2
A press conference intended to help find Milo implodes and the Irvines are scrutinized.

Episode 3

S1 E3
A canvassing event aims to keep the case alive; Peter takes matters into his own hands.

Episode 4

S1 E4
While struggling to locate Milo, Alcaras is tempted by an offer that goes against his morals.

Episode 5

S1 E5
News from Alcaras throws suspicion on the whole family as a secret threatens to tear them apart.

Episode 6

S1 E6.
The Irvines struggle to adjust to their new normal as Jenny makes some discoveries of her own.

Episode 7

S1 E7
Carrie's obsession grows as she plans Milo's kidnapping, but is left reeling as things implode.

Episode 8

S1 E8
Learning about Carrie's past, the truth dawns on Marissa before deciding how to protect her family.

All Her Fault Cast

Marissa Irvine

Sarah Snook

Peter Irvine

Jake Lacy

Jenny Kaminski

Dakota Fanning

Detective Alcaras

Michael Peña

Lia Irvine

Abby Elliott

Colin Dobbs

Jay Ellis

All Her Fault Cast

All Her Fault Videos

All Her Fault Official Trailer

Check out the trailer for the new Peacock Original, All Her Fault.

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All Her Fault
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Frequently Asked Questions

Where can I watch All Her Fault?: You can watch All Her Fault exclusively on Peacock. Sign up for your own Peacock Account and start watching today. View the full list of supported streaming devices.
When did All Her Fault premiere?: All Her Fault premiered on November 6, 2025 exclusively on Peacock.
What is All Her Fault about?: All Her Fault is a mystery thriller based on Andrea Mara’s 2021 novel. Marissa Irvine (Sarah Snook) goes to pick up her son Milo from his first playdate, only to find a woman at the door who doesn’t know Milo or ever heard of him. What follows is a search for Milo and a plunge into a nightmare of secrets and suspicion.
Is All Her Fault a Peacock Original?: Yes, All Her Fault is a Peacock Original.