The missing persons case had just taken a tragic turn... More tonight on a Dateline Weekend Mystery at 9/8c. | Dateline NBC

Two murders. Three Trials. One killer. Watch it all unfold tonight at 9/8c on an ALL-NEW Dateline mystery… | Dateline NBC

Investigators walked into a mystery that would turn their world upside down… Watch tonight at 9/8c on a 2-hour Dateline Weekend Mystery on NBC. | Dateline NBC

2025 was quite a “bumpy” year… Here’s to 2026! Toast 2025 New Year’s Eve at 10:30/9:30c on NBC. | Dateline NBC

We don't really know what's going on, but we know we're having fun... Join us for "A Toast to 2025!" on New Year's Eve at 10:30/9:30c on NBC. | Dateline NBC

Behold! Merlot and… ice cream? We’re a bit dubious, but we’ll give it a go as we Toast 2025 on NBC this New Year’s Eve at 10:30/9:30c. | Dateline NBC

Thirty-two years ago this month, a series of murders began near and along Virginia’s Colonial Parkway. When it was over, four couples were dead at the hand of what authorities believe could be a serial killer. The crimes were dubbed “The Colonial Parkway Murders.” | Dateline NBC