Dateline: Secrets Uncovered is an American true crime series that premiered on the Oxygen network on July 21, 2017. It is a spin-off of Dateline NBC — NBC’s longest-running primetime series, which has been on air since 1992. The series was created to bring Dateline‘s most gripping investigations to Oxygen’s true crime-focused audience.
Each episode focuses on a single case — typically a murder, disappearance, or other serious crime — and reconstructs the investigation from beginning to resolution. The storytelling draws heavily on interviews with law enforcement investigators, prosecutors, and victims’ family members, weaving together courtroom footage, crime scene details, and personal testimony to build a complete picture of both the crime and the people affected by it. The format mirrors that of the parent show but is curated to feature the most mysterious and dramatic cases from Dateline‘s extensive archive.
Craig Melvin and Kate Snow serve as the primary hosts of Dateline Secrets Uncovered. The show also features a roster of veteran Dateline NBC correspondents, including Keith Morrison, Andrea Canning, Josh Mankiewicz, and Dennis Murphy — all of whom are longtime fixtures of the broader Dateline franchise. Other NBC News personalities, including Lester Holt, Natalie Morales, and Hoda Kotb, have contributed to select episodes over the years.
Dateline: Secrets Uncovered has grown into one of Oxygen’s most-watched properties. In 2024, the show drew 15.2 million total viewers, including 3 million in the 18–49 demographic, making it a cornerstone of Oxygen’s true-crime programming slate. Episodes are also available to stream on Peacock, which operates a dedicated Dateline 24/7 streaming channel.
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