Chip builds a freight sled for winter travel when the roads become all but impassable. Sue is stranded in Fairbanks when a blizzard hits, and she must brave a dangerous road to get home to Kavik. 5/20

Looking at active and dormant volcanoes from Vesuvius in Italy to Ki-lauea in Hawaii. We'll hear from some of the world's leading volcanologists and discover the deadly secrets of the volcano. 7/10

This episode examines two of the most blistering heatwaves in recent history, discovering why this extreme weather event is one of Mother Nature's most unrelenting killers. 8/10

From titanium to sugar, we shine a light on the superfactory secrets from Rolls Royce aerospace engines, GZ Vinyl records, Yamaha Motors motorbikes and Jelly Belly jelly beans. 7/8

Finding animals in the remote landscapes of Madagascar was always going to be challenging, but the team chase a huge swarm of locusts by car, helicopter and raft across the country. 4/6

Cameras in space show that Earth is changing rapidly. Cities sprawl while forests and glaciers shrink. But in Tanzania locals have regenerated the landscape to save chimpanzees. 4/4

Steve discovers just what it takes to be a terror from the skies, and believe us, it's a wild ride! He starts by strapping himself into one of Britain's fastest wind tunnel where he goes head to head against Microraptor. 5/10

Steve travels to new depths- as he discovers just what it takes to be an aquatic terror! His quest sees him rocket though the water in spectacular style - just like an Opthalmosaurus. 6/10

In this episode of Deadly Dinosaurs, Steve's on a mission to find dinosaurs that have something a little special...fearsome killers, with incredible abilities. 7/10