Dateline NBC “Open Water” August 9 2025 Recap & Preview

On Saturday, August 9, 2025, at 9/8c, Dateline NBC airs Open Water, a gripping episode reported by Josh Mankiewicz. What begins as a hopeful story of reconciliation on a romantic Mediterranean cruise ends in heartbreak and mystery when Micki Kanesaki vanishes at sea.

Micki and her ex-husband had boarded the ship in an effort to rekindle their relationship. But when she disappears mid-voyage, investigators are faced with a chilling puzzle that unfolds far from shore. As authorities dig deeper, what they uncover goes far beyond a missing persons case.

The investigation reveals secret audio recordings, a star witness no one expected, and the shocking involvement of an undercover hit man. With twists that span continents and betrayals that run deep, Open Water pieces together how a vacation meant for healing spiraled into a deadly plot.

Don’t miss this jaw-dropping episode of Dateline, airing Saturday night on NBC, with streaming available the next day on Peacock.