National Geographic Channel

'Unmasking the Killers of the Third Reich'. Previously unpublished photos unearth the origins of Nazi officials.

'S1/E1 - Counterfeiting'. Mariana meets the craftsmen who make and sell the world's finest counterfeit U.S. dollars.

Journey behind the scenes of Disney Cruise Line's new ship.

'S1/E1 - Extreme Environments'. Engineering marvels of stealth submarines and the Galactic ISS.

'S1/E2 - Industrial Innovations'. Engineering secrets of massive 3D printers and cities at sea.

'S3/E25'. Learn just how many ways there are to embarrass, injure and humiliate yourself when dancing, sky diving or fire skipping.

'S3/E26'. In this episode we learn just how many ways there are to injure and humiliate yourself when playing dodgeball, taking selfies or tackling obstacles on a motorbike.

'S3/E26'. In this episode we learn just how many ways there are to injure and humiliate yourself when playing dodgeball, taking selfies or tackling obstacles on a motorbike.

'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.

'S1/E1 - Secrets of the Deadly T-Rex'. Palaeontologists at a dig site in America want to find out how the Tyrannosaurus Rex became the king of the mighty primeval lizards.

Journey behind the scenes of Disney Cruise Line's new ship.

'S1/E1 - Astronomical Engineering'. Engineering marvels of stealth submarines and the Galactic ISS.

'S3/E5 - Unknown Waters'. The trek to the edge of the Amazon is rife with danger. Fishing from the shore, Cyril hooks a motoro stingray and tries to keep clear of its venomous barbed tail.

'S1/E2 - Sea Monsters'. Engineering secrets of massive 3D printers and cities at sea.

'S3/E6 - Poisoned Giant'. Raging storms upriver have flooded the river banks as a ramshackle tugboat hauls Cyril and his crew further into the Amazon forest in their search for a massive muturo.

'S1/E2 - Secrets of the Terror Whale'. A unique archaeological site in Egypt may help solve the mystery of how prehistoric land mammals evolved into superior sea predators.

'S8/E16'. In this episode we learn the science behind predators hunting, how to control a helicopter, and flammability.

'S6/E4 - Ultimate Transformations 3'. Tim and Fuzz celebrate some of their biggest automotive transformations.

'S1/E2 - Megastorms'. Climate change means warmer ocean temperatures and higher sea levels. This is intensifying and strengthening hurricanes and tropical cyclones.

'S4/E6 - Romania'. This aerial journey across Romania reveals the world's biggest Orthodox cathedral, a narrow-gauge steam train, and Christmas at 'Castle Dracula'.

'Life Below Zero: Port Protection Alaska. S4/E2 - Cry Wolf'. Living in Port Protection means constant preparation for cruel and unforgiving winters.

'S3/E1'. 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.

'S13/E2 - Niki Lauda: Tragedy In The Air'. Airline owner Niki Lauda joins forces with investigators to determine why Lauda Air Flight 004 fell into a steep dive and crashed.

'S7/E3 - Frozen Frontiers'. 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.

'Life Below Zero: Port Protection Alaska. S8/E9 - Another Day in Paradise'. Oliver and Troy give their homes an upgrade, as Jiggy tries to bag a moose.

'S1/E1 - Spain'. 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/E2 - Scam'. Mariana van Zeller travels from the violent streets of Montego Bay to the posh neighbourhoods of Tel Aviv in pursuit of some of the world's biggest scammers.

'S2/E1 - High On Meth'. The story of meth addict Clifford, alcoholic Hayley, and the doctors on a mission to save them. Will they decide to get clean?

'S1/E9 - Moscow Theatre Siege'. Terrorists storm a Moscow theatre demanding the end of the Chechen war, but the rescue plan goes tragically wrong as dozens of hostages die. What happened?

'S7/E3 - Frozen Frontiers'. 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.