National Geographic Channel

'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.