America's Greatest Threat: Vladimir Putin

Twenty years after the tragic 1997 death of Princess Diana in Paris, this ABC special provides new perspective on her final days. Host Martin Bashir, who revealingly interviewed Diana in 1995, takes viewers inside her final months and days. "The last 48 hours of her life, we tell that story in fairly careful detail. There are some phone calls that take place, there are some things that happen that I think are something of a revelation," Bashir said. The documentary also looks at the prior years of Diana's life.

This 7-part ABC News documentary series gives an intensive, up-close look at the day-to-day life of the New York City Police Department. ABC News' cameras were given unprecedented access to the closed ranks for 16 months, following some of the men and women of the largest police force in the nation.

An intimate look inside the private life of award-winning artist Lady Gaga as she performs eight songs in front of a small audience filled with her close friends and family.

A behind-the-scene look at the origins and evolution of the Academy Award-winning film.

Live concert special that aired on ABC.

1985 serves as the backdrop to the final showdown of the Cold War when Sandy and her partner Jeanne Vertefeuille vowed to find the mole that would turn out to be the most notorious traitor in US history, Aldrich Ames. Sandy is in a race against time to save the Soviet intelligence officers from being caught and killed. Living her own double life at home, this beautiful wife and mother vowed to stop at nothing until she uncovered the truth.

Experts say over the next hundred years the "perfect storm" of population growth, resource depletion and climate change could converge with catastrophic results. The scenarios in Earth 2100 are not a prediction of what will happen but rather a warning about what might happen.

Indian-American filmmakers Abi Devan and Sudhi Rajagopal explore life in the desert communities of Rajasthan, India, in this visually lush documentary. The Panihari are lower-caste women who fetch water every morning, often walking 10 or 15 miles each day. This compelling film follows one such woman, Paru, a shoemaker's wife, as she struggles for self-reliance and to attain security for her family in the face of unimaginable hardship.