An investigation into the hidden dangers of vitamins and supplements, a multibillion-dollar industry with limited FDA oversight. FRONTLINE, The New York Times and the Canadian Broadcasting Corporation examine the marketing and regulation of supplements, and cases of contamination and serious health problems.

An investigation with The New York Times into fantasy sports and online sports betting. With law enforcement cracking down, the film traces the growth of these booming businesses and goes inside their operations at home and abroad.

FRONTLINE looks at America's heroin crisis in a fresh and provocative light -- telling the stories of individual addicts, but also illuminating the epidemic's years-in-the-making social context, deeply examining shifts in drug policy, and exploring what happens when addiction is treated like a public health issue, not a crime.

With undercover footage and on-the-ground reporting, FRONTLINE reveals a side of Saudi Arabia that's rarely seen, and traces the efforts of men and women who are working to bring about change.

The story of one Syrian family struggling amid war, from the siege of their city, to the kidnapping of their father, to the shock of becoming refugees.

In a special two-part hour, journalist Feras Kilani reports from inside the war-torn city of Benghazi -- the birthplace of Libya’s uprising, now besieged by ISIS and warring militias. Then, journalist Safa Al Ahmad makes a dangerous trip to report on the fighting in Yemen.

From veteran FRONTLINE filmmaker Michael Kirk and his team comes the inside story of the creation of ISIS, and how the United States missed the many warning signs. The film uncovers the terror group’s earliest plans, the Islamic radicals who became its leaders, and the American failures to stop ISIS’s brutal rise.

When disaster strikes, who profits? FRONTLINE and NPR investigate the Business of Disaster, focusing on the aftermath of Superstorm Sandy: the thousands still not home, the agencies that were supposed to help and the companies that made millions.

How do you change a troubled police department? FRONTLINE goes inside the Newark Police Department — one of many forces in America ordered to reform. As the country’s debate over race, policing and civil rights continues to unfold, the New Yorker's Jelani Cobb examines allegations of police abuses in Newark, N.J. and the challenge of fixing a broken relationship with the community.

FRONTLINE examines allegations of fraud and predatory behavior in the for-profit college industry. The Education of Omarina continues a story FRONTLINE has been following since 2012 — showing how an innovative program to stem the high school dropout crisis has affected one girl’s journey, from a public middle school in the Bronx to an elite New England private school, and now on to college.