The Great Fire

The first few months of litters of kittens and puppies are observed.

Navigational hazards and shipwrecks of the Great Lakes are examined. Included: wave formations unique to the area.

A documentary marking the 70th anniversary of the slaughter of 350,000 Chinese by the Japanese Army in 1937 recalls the event that took place in a demilitarized zone after the Japanese conquest of Nanking. Based on the writings of author Iris Chang.

To be clear: the "ghost ship" that serves as the focus of this National Geographic documentary special isn't actually a ghost at all, but a centuries-old wooden vessel - one of the most intact wrecked ships ever found. The explorers in this program journey to the craft's resting place at the bottom of the Baltic Sea, and use a combination of maritime archaeology and cutting-edge technology to recover artifacts from the ship and obtain the dimensions that will enable them to create a 3D model of it.

2018 was a year of severe weather extremes right from summer heatwaves, catastrophic storms, and massive freezes. Deric Hartigan of Virgin Media News talks about the biggest weather events of the year and analyses if it's likely extreme weather conditions will be the new norm and the effect climate change is having on weather around the world.