National Geographic

'Primal Survivor: Extreme African Safari. S1/E4 of 6 - Rhino Mountain'. Hazen Audel hits Hell's Gate gorge to search for black rhinos - forest foragers send him to a deep cave network on the trail of the magnificent creatures.

'S7/E6 - The Messenger'. The next generation must be ready for the dangers and challenges that can arise living in the wild backcountry of Alaska.

'S3/E3 - Drain The Battle Of Britain'. In the summer of 1940, Great Britain stands alone against the Nazis - now we uncover the wrecks that reveal the real truth behind how Britain won the Battle of Britain.

'S1/E4 of 10 - Fire and Rain'. Torrential rain closes two runways as an incoming flight deals with a life-or-death situatio, and a fire training exercise turns into the real thing.

'Air Crash Investigation: Special Report. S3/E1 - Heat Of The Moment'. Failsafes are built into every aspect of aviation, but pilots can make fateful decisions in the heat of the moment that lead to tragedy.

'S3/E4 - Drain The Viking Seas'. Of all the wrecks lying at the bottom of the Baltic, perhaps the most spectacular is the battleship the Mars - now she is finally ready to give up her secrets.

'S3/E17 - The Perfect Burger'. Get an insider's look at the making of hamburger patties, ribbon candy, Mexican treats and so much more!

'S3/E18 - A Taste Of Japan'. Get an insider's look at the making of root beer, soy sauce, Lil' Devils cakes and matzo bread!

'S6/E11'. In this episode we discover the secrets of ninja grip, the best way to swing onto a bank and what to avoid when parasailing behind a boat.

'S6/E12'. We learn just how many ways there are to injure and humiliate yourself when attempting a jump on a dirt bike, fishing, or slaloming on skis.

'S8/E5 - Spiced and Loaded'. HSI follows a car transporting meth. CBP finds drugs in secret vehicle compartments in El Paso and seizes looted Ukrainian antiquities at JFK.

'S1/E8 - Turkish 1951'. Survivors of the 2009 Turkish Airlines Flight 1951 crash share their firsthand experiences from that fateful day.

'Primal Survivor: Extreme African Safari. S1/E5 of 6 - Untamed Coast'. Hazen Audel tackles the Indian Ocean in a battle to reach a network of coastal coral caves that are home to the largest bat colony in Africa.

'S7/E7 - This is Not the End'. With winter is on the horizon, the next generation must adapt and learn the lessons of Alaska's harsh backcountry to survive another day.

'S1/E5 of 10 - VIPs'. Airport security is on high alert as a world leader arrives. Meanwhile, duty managers try to track down a woman who reportedly collapsed on the street.

'Air Crash Investigation: Special Report. S3/E2 - Instrument Confusion'. Safe flying requires precision, and when critical instruments in the cockpit can't be trusted, the consequences can be fatal.

'S1/E2 - Secrets Of Nineveh And Babylon'. Nineveh and Babylon were two superpowers of the ancient world, but they were the cities of sin for the writers of the Bible - why do they have such poor reputations?

'S9/E1 - Wild Ride'. A tricky rescue of an excavator forces Thord to find extraordinary solutions, but he's in double trouble when rookie Terje messes up.

An investigation into abuse and missing children at a native residential school ignites a reckoning on the nearby Sugarcane Reserve.

'S3/E9 - Addicted In Vegas'. Two regular inmates at the Clark County Detention Center in Vegas are struggling with addiction. Can they finally break the cycle or will they end up behind bars again?

'S6/E6 - Runaway Train'. It's a regular morning in the lively town of Amagasaki when a busy commuter train derails and crashes into an apartment building, killing over a hundred passengers and trapping hundreds more inside.