"Dateline" is airing a new episode on Friday, May 8. Here's everything you need to know to watch, live or later on, if you missed it.

Dateline releases new episodes every Friday night on NBC. Let's go through Peggy Sue Thomas' crime story before watching any further episodes.

LEBANON — After avoiding to take the stand in court three times in the murder of his wife, Ryan Widmer chose a national audience to tell his story. Appearing on “Dateline NBC” Friday night, Widmer ...

The case of the Tara Baker murder went cold for years until new evidence helped convict a Georgia man. Here's what to know about Dateline episode.