All Her Fault

'All Her Fault' is a dramatic television miniseries created by Megan Gallagher, a co-production between the United States and Australia. It is based on the novel "All Her Fault" by Andrea Mara and stars actress Sarah Snook. With 8 one-hour episodes, it is a production of Universal International Studios for the streaming platform Peacock.

The day Marissa Irvine goes to pick up her son Milo from his new school, the woman who assists her has never seen or heard of Milo or Marissa. This begins a true nightmare for a mother who starts a desperate search to find her son. Now, Marissa only believes she can trust her new friend, Jenny Kaminski, with whom she forms an unexpected alliance.

Both carry out a search that will uncover dark family secrets that will change their lives forever. Meanwhile, the police investigation by Detective Alcaras is unraveling the web of lies in which both families are trapped.

Premiering on November 6, 2025, 'All Her Fault' (which has received critical acclaim) quickly becomes the most-watched original series in Peacock's history, surpassing 46 million hours viewed in its first three weeks.