Nicknamed Proud Brave Reliable the patrol Boat River (PBR) performed every mission imaginable on the waterways of Vietnam. Take a journey down Vietnam's rivers with the glorious PBRs and listen to the accounts of those who formed a deep and lasting attachment to these river warriors.

As Facebook heads for its 100 billion dollar flotation, Emily Maitlis updates her recent documentary on the prospects for Mark Zuckerberg's social network phenomenon. She examines how Facebook, now with 900 million users, plans to earn the billions its new investors will expect from it. With exclusive access to Mark Zuckerberg and senior executives, Emily tells the Facebook story, and reports on its challenge - to build its advertising business from the personal information its users provide, without losing their trust.

The Killing is based on the wildly successful Danish television series Forbrydelsen and tells the story of the murder of a young girl in Seattle and the subsequent police investigation.

The Borgias historical drama delves into the lives of the most notorious family dynasty of the Italian Renaissance.

Seven noble families fight for control of the mythical land of Westeros. Political and sexual intrigue abound. The primary families are the Stark, Lannister, and Baratheon families. Robert Baratheon, King of Westeros, asks his old friend Eddard Stark to serve as his chief advisor.

The show revolves around C.I.A. Agent Stan Smith, and his not so average family.

Jason Bourne is the ultimate CIA operative, brainwashed into performing assassinations for a secret cell within the Agency. As far-fetched as it sounds, in this episode of The True Story, we reveal that many aspects of Robert Ludlums original books, and the subsequent Bourne movie franchise, are rooted in fact.

The nation of Bangladesh is prey to every threat from water known to man. To understand the plight of this downriver delta nation is to understand what all of us will face in the coming years. Water Wars tells the story of this land at war with not only rising seas, but devastating floods and droughts -from India's dams dumping their excess in the wet season and siphoning off river water in the dry season. And as Bangladesh sees less and less river water during the dry season it is forced to dig more wells going deeper, encountering arsenic poisoning that is filling hospitals and graveyards.

Mad Men is a smart and cinematic drama about the professional lives, social mores and sexual exploits of advertising executives on Madison Avenue circa 1960, when the industry was at its height of glamour, power, and prestige. The setting is the Sterling Cooper agency, which sells everything from cigarettes to political candidates. The protagonist, Don Draper, is a fast-rising creative director whose smooth exterior conceals any number of secrets.

A mockumentary about the modern workplace, The Office explores the everyday lives of the people who run the Scranton branch of the Dunder Mifflin paper supply company.

In the premiere of this comedy following the public and private lives of U.S. vice president Selina Meyer and her staff, the office goes into damage-control mode to deal with a pair of gaffes that could tarnish her already suspect reputation.

The show revolves around C.I.A. Agent Stan Smith, and his not so average family.