Season 46 (2005)

1. Tarantula: Australia's King of Spiders

The hair-raising journey to discover the secret lives of these ancient crawlers. They have been roaming our planet for more than 350 million years and survived to become the giants of the spider kingdom. And they have a reputation to match – their name alone provokes fear and loathing.

2. Nature Bites Back: The Case of the Sea Otter

3. Earth Energy

4. Change of Heart

5. The Secret Life of Babies

6. Tsepong: A Clinic Called Hope

7. Port Hope: A Question of Power

8. Everyday Einstein

Everyday Einstein provides a fast-paced and jazzy look at the extraordinary impact Einstein continues to have on our daily lives.

9. Homo Sapiens: The Rise of Our Species (Pt.1)

Homo Sapiens: The Rise of Our Species will introduce you to the ultimate family tree. This story is the story of each one of us. It's the story of the birth of humanity and civilization.

10. Homo Sapiens: The Rise of Our Species (Pt. 2)

Homo Sapiens deftly employs both docu-drama and interviews with key scientists to illuminate the remarkable story of the origins and development of our species.

11. Ghosts of Futures Past: Tom Berger in the North

12. Blue Buddha: Lost secrets of Tibetan Medicine

A look at the rising interest in the ancient healing arts of traditional Tibetan medicine.

13. Beetalker: The Secret World of Bees

Examining how bees communicate.

14. Cuba: The Accidental Revolution (Pt. 1)

Examines Cuba's response to the food crisis created by the collapse of the Soviet Bloc in 1989.

15. Cuba: The Accidental Revolution (Pt. 2)

In spite of the economic crisis and US embargo, the Cuban health system is an outstanding success story around the world.

16. When Less Is More

17. Stephen Lewis: The Man Who Couldn't Sleep

18. Wild Caribbean: Hurricane Hell

Every year the Caribbean paradise is turned into a hurricane hell. From the beginning of June until the end of November its hurricane season in the islands. With winds of over 150 mph, 5 metre storm surges and torrential rain, the destruction caused by hurricanes makes them one of the most feared forces of nature.

19. Build Green

In a refreshing hour, Build Green advises making the sun, the wind, and the rain – along with dirt, straw, and sewage – your friends. By building a house using innovative practices and materials, you'll be doing the earth a favour too.

20. Wild Caribbean: Reefs and Wrecks

The clear blue waters that surround the Caribbean islands are home to some of the world's most stunning underwater treasures. Coral reefs form beautiful underwater gardens visited by angels, horse eye jacks, blue tangs and stingrays.

21. Wild Caribbean: Treasure Island

Take the island hop of your life. Discover the rich variety of islands that are the Caribbean, and what forces have shaped this violent paradise.

22. Wild Caribbean: Secret Shores

The Caribbean is not just the islands. We explore the least known Caribbean, that area beyond the Sea. A journey along the greatest Caribbean shoreline of all, that of Central America.

23. Cuttlefish – The Brainy Bunch

Imagine an alien with three hearts, blue blood and a doughnut shaped brain. In an instant it could become invisible, or switch on electrifying light shows. Then imagine this bizarre creature was real, and somehow connected to us.

24. Mystery of the Giant Sloths Cave

Today's sloths rank highly among the most surprising creatures of the animal kingdom: living suspended to the Amazon rainforest's trees, they move about extremely slowly, as if from a world where time flows differently.

25. Geologic Journey: The Great Lakes

26. Geologic Journey: The Rockies

27. Geologic Journey: The Canadian Shield

28. Geologic Journey: The Appalachians

29. Geologic Journey: The Atlantic Coast