All Her Fault is an upcoming mystery thriller series for Peacock starring Sarah Snook. Based on the novel by Andrea Mara, it is set to premiere on November 6, 2025.

Marissa Irvine arrives at 14 Arthur Avenue to pick up her son Milo from a play date, but when she gets there she cannot find him.

Megan Gallagher is writer, creator and executive producer on the series, which is an adaptation of the best-selling novel of the same name by Andrea Mara who is associate producer. Sarah Snook stars and is also an executive producer. Universal International Studios is producing the series.

Minkie Spiro is set to direct several episodes and executive produce. Other executive producers are Nigel Marchant, Gareth Neame and Joanna Strevens for Carnival Films, Jennifer Gabler Rawlings and Christine A. Sacani. The series producer is Terry Gould. Kate Dennis is set to direct multiple episodes as well.

On July 24, 2024, Jake Lacy, Sophia Lillis, and Michael Peña joined the main cast. In August 2024, Dakota Fanning, Abby Elliott, Jay Ellis and Thomas Cocquerel were cast as series regulars.

Filming took place in Melbourne in August 2024.

The series is scheduled to premiere with all episodes on November 6, 2025.