National Geographic Channel

'S19/E4 - Taxiway Turmoil'. Blanketed by confusion and heavy fog, two Northwest planes collide on a Detroit runway.

'S4/E2'. What was real life like in the Wild West, and who was left out of the story?

'S2/E4 - Search For Cleopatra'. Egyptologists' breakthrough in the search for Cleopatra - unlocking secrets of her royal home.

'S2/E29 - Ostriches And Go Karts'. Leaping through windows, hoops or narrow gaps can look very cool if done right. But when done wrong, it's embarrassing.

'S2/E30 - Lawn Mowers And Pinatas'. Giant inflatables can make all the difference at a fair ground. But take them out into the wild and people put them to some spectacular uses...or abuses.

'Gladiators: Warriors of the Ancient World. S1/E3 - Pompeii's Last Gladiators'. Marcus Attilius, citizen-turned-gladiator, fights for survival in Pompeii.

'S4/E1 of 2 - Agricultural Wonders'. Unique aerial footage reveals Europe's most impressive agricultural practices.

'S2/E6 - Guyana's Wild Jungles'. Chef Ramsay journeys into the jungle of Guyana in search of the roots of Guyanese cuisine.

'Life Below Zero: Port Protection Alaska. S6/E16 - This Must Be The Place'. The search for crab takes residents into a dangerous new environment.

'S2/E7 - Party Time'. Sea, air, and land units from the Spanish Coastguards strive to uncover drug trafficking plans.

'S19/E5 - Runway Breakup'. Landing on a Caribbean island in a tropical storm, a 737 crashes just short of the runway.

'S2/E2 - Breaking New Ground'. The homesteaders race to finish their pre-season tasks before winter sets in.

'S1/E5 - The Body on the Train'. DNA detectives attempt to identify a man crushed under ice in a railcar.

'S2/E1 - Rescued at Sea'. The Dutch Caribbean Coast Guard performs search and rescue operations.

'S2/E2 - Hitler's Flying Forces'. From the Battle of Britain to the invasion of the Soviet Union, the Luftwaffe's Heinkel He 111 and Junkers Ju 88 bombers were meant to annihilate the enemy from the skies.

'S5/E3 - PCP In DC'. Once known as Crack City and the murder capital of the USA, Washington DC has a new problem: PCP, a psychotic high that can drive users insane.

'S2/E2 - Sasquatch Planet'. Bigfoot, Yeti or the Abominable Snowman. What is the large, hair-covered creature that walks upright like a human? And does it really exist?

'S2/E2 - Breaking New Ground'. The homesteaders race to finish their pre-season tasks before winter sets in.