Sing Again - All Episodes

Dateline NBC presents in-depth coverage of news stories. Rather than just reading news reports, as most news shows do, the reporters for this show research their subjects and interview the people closely involved to create an informative work of investigative journalism.

The Irrational follows world-renowned professor of behavioral science Alec Mercer as he lends his unique expertise on an array of high-stakes cases involving governments, law enforcement and corporations. His insight and unconventional approach to understanding human behavior lead him and the team on a series of intense, unexpected journeys to solve illogical puzzles and perplexing mysteries.

In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.

The Righteous Gemstones tells the story of a world-famous televangelist family with a long tradition of deviance, greed and charitable work, all in the name of the Lord Jesus Christ.

Married at First Sight, the extreme social experiment where four couples will meet for the very first time on their wedding day. Three top relationship experts are controlling this radical experiment involving eight Aussie singles, using a mix of neuroscience and psychology to try to create four perfect matches. Relationship psychologist John Aiken has interviewed single applicants across the nation and built a detailed personal profile for each one. Neuropsychotherapist Dr Trisha Stratford compiled the detailed neurological profiles. And psychologist Sabina Read met the applicants in their own environment to prepare to pair them with the most suitable partners. These four extremely brave and hopeful couples will face the most terrifying wedding imaginable – tying the knot with someone they have never laid eyes on.