Season 21

April 3, 2011

Correspondent Hoda Kotb delves into a four-year international custody battle.

April 8, 2011

When Amber Dubois vanished in San Diego County, a search turned up nothing. Then, a year later, Chelsea King disappeared in a neighboring town. Tonight, Keith Morrison reports on the mystery of the missing California teens.

April 10, 2011

Reporter Keith Morrison explores the plight of unwanted children in Moscow, recounting the story of an institutionalized boy whose life took a positive turn after years of rejection.

April 15, 2011

Rob Stafford investigates the cold-blooded slaying of an expectant mother. In a second report, Keith Morrison tracks the work of a dauntless detective and a determined attorney to solve the cold-case killing of a 21-year-old woman.

April 17, 2011

Chris Hansen files a report on Mexico's drug war. Hansen joins with Mexican federal officers on a secret assignment to capture kingpins and relates the story of a hit man leading a double life. Also: a woman who sacrificed all to battle corruption.

April 22, 2011

Dennis Murphy delves into how two brothers were killed under odd conditions but at different times and in separate locations. In addition, Keith Morrison details a family hunting trip in Newfoundland that went terribly wrong.

April 24, 2011

NBC’s Dennis Murphy traces the journey of Kate Middleton from commoner to Her Royal Highness.

April 29, 2011

The impact of the recent tornadoes, severe thunderstorms and flash-flood warnings in the United States; reports from London include behind-the-scenes coverage of the royal wedding.

May 1, 2011

First lady Michelle Obama and Dr. Jill Biden talk about their ``Joining Forces'' campaign, Rep. Gabrielle Giffords' staff discuss the shooting, singer Steven Tyler talks about success and drug addiction, ``Bridesmaids'' cast members.

May 6, 2011

A man who was arrested and tried three times for the death of his wife of four months talks about the case.

May 8, 2011

David Goldman, whose five year battle for custody of his son made international news, talks about life since being reunited with his child.

May 13, 2011

A doctor disappears while on vacation with his wife, leaving her $6 million in debt.

May 15, 2011

Hidden cameras reveal how quickly, honestly and efficiently repairmen do their jobs.

May 20, 2011

A young woman teams with a U.S. Marshal to find the man who murdered her mother 18 years earlier.

May 22, 2011

Chris Hansen visits a shop in New York that sells bath salts, a new designer drug.

May 27, 2011

Keith Morrison reports the story of an Oklahoma pastor's son and daughter who endure a remarkable road to recovery after witnessing a terrible family tragedy.

May 29, 2011

Richard Engel reports on the Battle of Wanat, one of the worst casualty counts of the Afghanistan war that left nine soldiers dead and 27 injured the families of one platoon come together to grieve and uncover why their sons died.

June 3, 2011

A successful young man is shot down in front of his Philadelphia home. A woman finds her way back to her family after being kidnapped 30 years earlier.

June 5, 2011

The citizens of a Wisconsin town come together to renovate a family's home.

June 12, 2011

Hidden cameras reveal how teens react to different bullying situations.

June 17, 2011

Josh Mankiewicz probes the cold-case murder of a casino-sales executive.

June 17, 2011

New details and courtroom dramas key Dennis Murphy's update on the Caylee Anthony case. Anthony's young mother, Casey Anthony, is accused of murdering the toddler in 2008.

June 24, 2011

When a 38-foot empty Donzi boat is found making circles in the ocean with nobody on board, a mystery begins in the Bahamas. While hundreds of Americans die every year from accidental carbon monoxide, NBC News’ Kate Snow previews one case that police say was not an accident, but potential murder.

June 26, 2011

Lester Holt takes viewers into Chicago communities, children who grow up quickly and die young.

July 1, 2011

An Oregon family struggles with the mysterious disappearance of their daughter, and Kate Snow looks into the investigation that plagued family and community.

July 3, 2011

A year after being taken captive by Somali pirates, Captain Richard Phillips talks with Matt Lauer about his harrowing experience and brave rescue.

July 8, 2011

A young detective investigates a college student's death; chronicling the events of the Casey Anthony murder trial.

July 10, 2011

Chris Hansen goes under cover with California lottery investigators; testing the integrity of lottery clerks in New York.

July 15, 2011

When a woman goes missing in a small town in rural Michigan, her husband becomes the primary suspect. But eyewitnesses and surveillance cameras support his alibi that he was in Virginia the day she disappeared - more than 700 miles away.

July 17, 2011

A year-long investigation into children migrant workers.

July 22, 2011

A 24-year-old U.S. citizen targeted by kidnappers in South America and taken; the story of a man who is suspected of murdering his wife in a fire.

July 24, 2011

Chris Hansen goes face-to-face with a man, who along with other conspirators, cheated a Connecticut woman out of her life savings through an internet scam.

July 29, 2011

A former homecoming queen comes under suspicion after her husband is found stabbed to death and an affair with the local youth pastor is uncovered.

July 31, 2011

Brian Williams documents a day behind-the-scenes on Capitol Hill where viewers will get an unprecedented look at life under the U.S. Capitol dome.

August 5, 2011

An admired sports editor is killed on Halloween night.

August 7, 2011

Tom Brokaw reports the story of three different families throughout the war in Iraq.

August 12, 2011

A couple's romantic night at the Hudson Palisades ends in a tragic fall, leaving officials questioning whether or not it was an accident.

August 12, 2011

The murder of a husband exposes the shocking secret life he had with his wife. They were swingers.

August 14, 2011

Lester Holt reports the story of three American women who face the Great Recession and their own worst fears.

August 19, 2011

A young father fights desperately across the United States for custody of his baby girl. Plus the story of Nancy Cooper who went missing while jogging in a suburb of Raleigh, North Carolina.

August 21, 2011

Watch amazing animals and the true stories behind some of the most popular videos on the web.

August 26, 2011

A serial killer stalks human prey through America's national forests until clues help trigger a multi-state manhunt.

August 29, 2011

Former Vice President Dick Cheney discusses his new memoir with Jamie Gangel; Grammy award winner Miranda Lambert is interviewed by Hoda Kotb; 12-year-old author of "Heaven is For Real" sits down with Hoda Kotb to hear about his trip to heaven.

September 2, 2011

Reports from a desert in New Mexico which has become one of the largest crime scenes in history, where the remains of eleven female bodies were found buried.

September 4, 2011

When a young woman disappeared in Alaska, police looked at two brothers as suspects. Would anyone be able to breach their loyalty and find the truth?

September 9, 2011

Tom Brokaw, recaps some of the most powerful stories reported by NBC News in the days and months following the tragic assault on our nation.

September 16, 2011

An indie film-maker is connected to the case of a missing man, which started as an obsession with "Dexter". Was it a publicity stunt or something far darker?

September 23, 2011

A young Florida mother abducted at gunpoint and taken for ransom. Three failed attempts to drop the ransom put everyone on edge and no one imagined the bizarre way this crime would be solved.

September 30, 2011

A troubled marriage, then suddenly a man disappears, leaving behind a daughter and step-son. The truth from a secret kept for over eight years.

October 7, 2011

A young woman disappears following her chance encounter with a stranger on a train. Her desperate family hires a dream team of detectives to follow the mysterious trail she left behind.

October 14, 2011

A couple with the perfect marriage until Cristi was found dead in the backyard spa. And, a story-book marriage, NO lust, greed and deceit led to an elaborate murder plot that makes reality TV look like a fairytale.

October 21, 2011

In October 2009, James Arthur Ray, a renowned self-help author and speaker, held a "Spiritual Warrior" retreat in Sedona, AZ. Three people died during the retreat, and Ray was charged with manslaughter but convicted of a lesser charge.

October 28, 2011

A couple meets at the craps table in Las Vegas. She was a beautiful trapeze artist and he was a professional poker player -- with a secret. Did he take a gamble that led to murder?

November 4, 2011

The case against Michael Jackson’s doctor, Conrad Murray, is in the hands of the jury, who will decide whether he played a role in the death of the pop star.

November 11, 2011

A fatal car crash in Montana may not have been an accident after investigators find a revealing set of text messages.

November 18, 2011

Tom Foley is shocked to find himself the lead suspect in the case of his wife Darlene's murder. Thinking the case was over, the defense team is soon approached by a stranger with new evidence that would turn everything upside down.

December 2, 2011

A vacation in Aruba that morphed into a mystery, Robyn Gardner went missing and many presume she's dead.

December 9, 2011

2 years ago the young mother from Utah vanished. A husband under suspicion, a father-in-law under scrutiny, and investigators under pressure to solve this mystery at last.

December 16, 2011

10 Years ago, the accusation that Penn State Coach Jerry Sandusky sexually abused a child, came to the attention of Ray Gricar, the local district attorney. 3 years later Gricar went missing. His laptop was found but the hard drive was unreadable. Could Gricar’s disappearance be linked to the Sandusky scandal?

December 23, 2011

Millen, Georgia, a small industrial town so devastated by the Great Recession, its unemployment numbers peaked at 21% - more than twice the national average.

December 30, 2011

The story of an unsolved case involving a woman's love triangle that ended in her husband's fatal stabbing in front of their home, but more than two decades later, detectives have re-opened the case and need her help.

February 3, 2012

In the lead up to a murder trial, it begins to look like police arrested the wrong man.

June 28, 2013

Investigating the murder of a brilliant professor.