Documentary .

FRONTLINE investigates the 2009 deadly crash of Continental Flight 3407 in Buffalo, New York, and discovers a dramatically changed airline industry, where regional carriers now account for half of the nation’s daily departures. The rise of the regionals and arrival of low-cost carriers have been a huge boon to consumers, and the industry insists that the skies remain safe. But many insiders are worried that now, 30 years after airline deregulation, the aviation system is being stretched beyond its capacity to deliver service that is both cheap and safe.

Watch Tuesday, November 29, 2011 at 8pm.

Discover the true story of America’s “Great Experiment.” Go beyond the oft-told tales of gangsters, rum-runners, flappers and speakeasies to experience the rise, rule and fall of the 18th Amendment to the U.S. Constitution in Ken Burns and Lynn Novick’s PROHIBITION.

Airs November 28, 29 & 30 at 9pm.