All Her Fault is a mystery thriller miniseries on Peacock, starring Sarah Snook, Jake Lacy, and Dakota Fanning, and adapted from Andrea Mara's 2021 novel of the same name. The plot plunges into a parent's worst nightmare when Marissa Irvine (Snook) arrives to pick up her young son Milo from a playdate, only to discover the woman at the address has never heard of them, triggering a frantic search with her husband Peter (Lacy) and unlikely ally Jenny Kaminski (Fanning) that unravels deep family secrets. Detective Jim Alcaras (Michael Peña) leads the investigation into the complex web of lies, while the supporting cast includes Jay Ellis, Abby Elliott, and Thomas Cocquerel. Developed by Megan Gallagher and produced by Universal International Studios, the series was filmed in Melbourne in August 2024. Premiering on November 6, 2025, it earned generally positive reviews with particular praise for Snook and Fanning's performances, and received two Golden Globe nominations for Best Limited Series and Best Actress for Snook.