National Geographic Channel

'S1/E9 - Air'. The air we breathe is in jeopardy with the increase of greenhouse gases and industrial pollution, leading to an airpocalypse.

'S4/E9 - Guac And Coke'. CBP finds 142 kilos of coke in a shipment of avocados in Florida, and CBP, HSI and Border Patrol pursue human smuggling leads in Texas.

'S4/E8 - Flight 21 Is Missing'. April 1996: a military jet carrying a high-level US trade delegation crashes in the hills near Croatia's Dubrovnik airport, killing all on board.

'S1/E10 - Cold'. This episode follows storm chasers in blizzards, farmers' livelihoods damaged by extreme cold and snow, and the impact of cold on our infrastructure.

'S1/E5 - America: Salem's Hunts and Hysteria'. Cinematic reconstructions, new analysis and expert interviews shed fresh light on the most famous witch trials of them all in Salem, Massachusetts.

'S4/E11'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself while racing a snowmobile or jumping a skateboard.

'S4/E12'. In this episode we learn just how many ways there are to embarrass, injure and humiliate yourself while jumping into a snowdrift, drumming or landing your pogo stick.

'S2/E4'. With unrivalled quality and spectacular imagery, this channel brings you award-winning documentaries from around the world - from wildlife adventure and exploration to natural phenomena and world cultures.

'S1/E3 - Superskilled with Eva Zu Beck: Hunting and Gathering with the Hadza'. Eva attempts to survive on her own in the bush like the Hadza hunter-gatherers.

'S6/E3 of 8 - Deadline Danger'. In the coldest winter for a decade, the ice road heroes put their lives on the line to rescue drivers in danger.

'S1/E6 - Spring'. Spring has finally arrived in the North and the NWS homesteaders emerge from their winter cocoons to face a whole new set of seasonal challenges.

'S4/E10 - It's Raining Meth'. HSI executes a controlled delivery of ketamine in Queens, New York, and CBP recover stolen artefacts in Miami and find a mega shipment of meth at LAX.

'S4/E10 - Ghost Plane'. On Sunday August 14, 2005 at Larnaca Airport in Cyprus, low cost airline Helios Airways Flight 522 is scheduled to fly to Athens.

'S10/E2 - Shiny, White and Lethal'. Border Patrol finds a smuggling tunnel. CBP seizes silver bars and coke.

'S1/E2 - Dc-3'. The DC-3 transformed aviation in both peacetime and war.

'Trafficked With Mariana Van Zeller: Compilations. S1/E2'. Mariana offers a behind the scenes look at Trafficked and the players of the world's multi-trillion-dollar shadow economy.

'S5/E7 - Inside America's Militias'. Mariana investigates the growing influence of heavily armed militias.

'S3/E10'. For three inmates at the Clark County Detention Center, jail is a waiting game - with nothing but time, they're forced to choose whether to continue or change their ways.

'S4/E12 - Texas Oil Explosion'. Texas City is home to one of the largest refineries in the USA, but in March 2005 it became ground zero for a huge chemical accident.

'S10/E2 - Shiny, White and Lethal'. Border Patrol finds a smuggling tunnel. CBP seizes silver bars and coke.