Our Best of National Geographic Collection Volume 3 makes the perfect gift and is a great sampler of recent favorites from the National Geographic Channel. The collection contains a dozen episodes from six titles, including Wicked Tuna, Doomsday Preppers, Taboo, Border Wars, Known Universe, and a Nat Geo WILD bonus disc featuring episodes of Killer Shots and Python Hunters. See the Title List tab for details and program descriptions. Not available for shipment outside of the U.S.

• 6 discs, 8 titles; 12 episodes; 540 minutes
• © 2012

Wicked Tuna
In America's oldest seaport, Gloucester, Mass., there's a special breed of fishermen. They depend on Bluefin tuna for their livelihood in one of the most highly regulated fisheries in the world. But many experts think Bluefin tuna populations are at critical levels. So as the world debates how to save this species, these fishermen depend on them to make their living… one Bluefin at a time. Includes Season 1, episodes 1 and 2: "The Bite Is On" and "Payback's a Fish."

90 minutes. TV-14. © 2012.

Doomsday Preppers
Follow a group of people as they obsessively prepare for apocalypse—each expecting the world to end in a different way, for a different reason, at a different time. From bunkers to fortified off-the-grid homesteads, see how these Doomsday Preppers go to extremes to make sure they are ready for just about anything. Includes Season 1, episodes 1 and 2: "Bullets, Lots of Bullets" and "I Hope I Am Crazy."

90 minutes. TV-14. © 2012.

World's Biggest Cave
Is it the world's biggest cave? More than three times the height of Niagara Falls, much of Vietnam's Mountain River Cave has remained untouched by humans until now. With exclusive footage, NGC reveals, for the first time in history, astounding evidence that this could be the largest cave in the world. Together with renowned expedition leader Howard Limbert, cave geologist Darryl Granger uncovers the formula for how the cave grew so grand.

45 minutes. TV-PG. © 2010.

Taboo
Do we really know who our co-workers, loved ones and friends are? Maybe not as well as we think. Each hour-long episode of Taboo examines a topic from a variety of cultures and perspectives, venturing into closed worlds rarely seen. Includes Season 1, episode 1: "Secret Lives."

45 minutes. TV-14. © 2012.

Border Wars
National Geographic's critically acclaimed series Border Wars follows officers and agents of U.S. Customs and Border Protection (CBP) and their critical battles at the most treacherous border crossings between the U.S. and Mexico. In Season 3, Border Wars goes even deeper inside the struggle as CBP fights an escalating drug-smuggling crisis fueled by big money, cartel rivalries and violence threatening to cross into our cities each day. Includes Season 3, episodes 1 and 2: "Seize and Destroy" and "Cocaine Sting."

90 minutes. TV-14. © 2011.

Known Universe
Known Universe journeys to the farthest reaches of the universe to explore the most powerful stars, to study the biggest cosmic blasts and to examine how the newest technologies can help humans build for the future and survive the dangers of space. Includes Season 3, episodes 1 and 2: "Surviving Outer Space" and "Most Powerful Stars."

90 minutes. TV-PG. © 2011

Killer Shot
Andy Casagrande is not your average wildlife camera guy. Whether he's swimming with great white sharks, on foot with lions, or leaping out of a helicopter to film polar bears, nothing scares him…much. In each hour Andy carries out a dangerous assignment: go behind the kill with some of the world's most advanced camera technologies and break down the elements of the hunt. To get the images he needs, he has to get close to the planet's top predators-and, with luck, come home with a Killer Shot. Includes Season 1, episode 1: "Great White Ambush."

45 minutes. TV-PG. © 2011

Python Hunters
The Python Hunters protected Florida from invasive Burmese pythons, lizards, and iguanas. Now they're on a global mission, joining teams around the world to help protect the planet's other snakes and reptiles. Traveling from Costa Rica and Peru to Thailand and Australia, the elite squad of experts is on a high-stakes adrenaline-pumping adventure. They're champions for some of the most feared and misunderstood creatures on the planet, and in the process they're determined to come face to face with every species of python wherever it may slither. Includes Season 3, episode 1: "Lizards of Oz."

45 minutes. TV-PG. © 2012.