"Dateline" is airing a new episode about Alex Murdaugh. Here's everything you need to know to watch, live or later on, if you ...

As Alice’s siblings started to search for her, they uncovered a secret life, a new man, and a mysterious trip across the world… To find out what happened, watch the full episode “The Gorge,” available ...

Dateline NBC returns tonight with “Deadly Swagger,” examining the Dan Serafini murder case. Find out how to stream the episode for free if you can't watch on cable or DISH.