1. How rising temperatures lead to more extreme weather
2. Geography

Outback Pilots enters the extreme world of the "bush pilots" who risk their lives to help remote farmers, industries and communities spread across the vast wilderness of the Outback.

A slow TV showcase of the stunning landscapes found in Ngarrindjeri Country.

A slow TV showcase of the stunning landscapes found in Kambuwal, Guuwa, and Gayiri Country.

A slow TV showcase of the stunning landscapes found in Tharawal and Inningai Country.

In a spectacular piece of factual theatre, a team of experts rig a 3km mountain in the Canadian Rockies with cutting-edge scientific equipment. They then unleash one of nature's most terrifying forces - an avalanche - down its slopes.

Jerry Coleby-Williams suggests unusual indoor plants; Costa Georgiadis visits a nursery helping migrants; Clarence Slockee meets a family who started gardening in lockdown; Jane Edmanson gets a taste for edible flowers.

Indoor plant master Craig Miller-Randle shows us the basics on how to get your indoor jungle thriving and lush, including pots and potting mix, watering, light, treating pests, propagation, and tips on styling.

Clarence Slockee meets a team combining bush care and music, Sophie Thomson makes native bee hotels, Costa Georgiadis explores a wildflower meadow, and guest presenter Luke Mitchell has a lesson on wooden tool restoration.

Jane Edmanson visits a local legend's natural oasis. Costa Georgiadis meets mini mammal pollinators. Tino Carnevale has seed saving secrets. Jerry Coleby-Williams visits a takeaway shop growing fresh food with aquaponics.

Leaving the towns and cities of Pakistan and India behind, Michael ascends into the mountains, to encounter the societies who live at the top of the world. This is one of the most spectacular landscapes in the world, but also home to a diverse range of people. Michael seeks out remote inhabitants across this extraordinary region.

Michael continues his journey in Pakistan. He explores Islam, then moves on to India where he meets the Dalai Lama, and visits the Sikh town of Amritsar. Later, on the way to the foot of Everest, he meets Sadhus and stays with Buddhist nuns and monks.

Jerry Coleby-Williams has tips for living with possums, Millie Ross celebrates our love of pears, Josh Byrne grows colourful natives in pots, and guest presenter Luke Mitchell joins us with a lesson on restoring old tools.

This episode sees Michael revisit his fourth, and in some ways most personal, travel series. Inspired by the apparent emptiness of the desert as seen from a flight, and by boyhood dreams of exploration, Michael sets off to find out what this 'blank space' contains. He is delighted and inspired by the societies he encounters there - nomads, refugees, artists. He also confronts some harsh realities - the effects of war, the migrant crisis, and the rise of militant Islam.

These sets of islands are some of the most far flung territories of Australia, but they possess captivating natural beauty and a surprisingly rich and diverse past, with a multicultural heritage like no other. Charles Darwin spent time on Cocos Island developing his theory of coral atolls - a beautiful spot for some theorising, and now as one of Australia's most north easterly points it is of huge military significance. HMAS Sydney sunk the German destroy SMS Emden in World War I not far from Cocos as a German raiding party was attempting to sever Australian communication lines, Neil discovers the story of how this party - the only survivors of the Emden - 'borrowed' some local boats and made the long journey back to Europe. Have you heard the one about the wasp that kills the bug that feeds the ants that kill the red crabs that keep the forests healthy on Christmas Island? Emma has, and lets us in on the ecological battle for equilibrium on the jungle floor. And Dave joins the forensic hunt for the identification of an unknown soldier, washed up on Cocos island in Australian Navy uniform in World War II.

Millie Ross visits an Indigenous plant propagation expert; Costa Georgiadis creates a polystyrene palace for worms; Jerry Coleby-Williams dives into the war on weeds; Jane Edmanson visits a fruitful family farm.

Michael took on his longest and most gruelling journey yet - a 80,470km route around the Pacific Rim taking in Russia, China, Vietnam, Australia, New Zealand, and North and South America. This huge undertaking stretches him and the crew to their limits, and it sees him adopt a more investigative role, as he seeks to get under the skin of the places he visits - from a booming South Korea, to Colombia with its drug wars and poverty.

The team head to Oklahoma on the trail of 26 wolves who were secretly transported to a zoo. As temperatures soar, the vets must act fast to get them all out safely.

Matt spearheads an operation to rescue an estimated 60 wolves from an alleged fur farm. The veterans use every tool available, including an undercover sting.