46x1 - Tarantula: Australia's King of Spiders

August 31, 2005

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.

46x2 - Nature Bites Back: The Case of the Sea Otter

September 14, 2005

46x3 - Earth Energy

October 19, 2005

46x4 - Change of Heart

October 26, 2005

46x5 - The Secret Life of Babies

November 2, 2005

46x6 - Tsepong: A Clinic Called Hope

November 9, 2005

46x7 - Port Hope: A Question of Power

November 16, 2005

46x9 - Homo Sapiens: The Rise of Our Species (Pt.1)

June 25, 2006

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.

46x10 - Homo Sapiens: The Rise of Our Species (Pt. 2)

July 2, 2006

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.

46x11 - Ghosts of Futures Past: Tom Berger in the North

July 9, 2006

46x12 - Blue Buddha: Lost secrets of Tibetan Medicine

July 16, 2006

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

46x13 - Beetalker: The Secret World of Bees

July 23, 2006

Examining how bees communicate.

46x14 - Cuba: The Accidental Revolution (Pt. 1)

July 30, 2006

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

46x15 - Cuba: The Accidental Revolution (Pt. 2)

August 6, 2006

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

46x16 - When Less Is More

August 13, 2006

46x17 - Stephen Lewis: The Man Who Couldn't Sleep

December 6, 2006

46x18 - Wild Caribbean: Hurricane Hell

June 10, 2007

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.

46x19 - Build Green

June 17, 2007

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.

46x20 - Wild Caribbean: Reefs and Wrecks

June 24, 2007

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.

46x21 - Wild Caribbean: Treasure Island

July 22, 2007

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.

46x22 - Wild Caribbean: Secret Shores

July 29, 2007

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.

46x23 - Cuttlefish – The Brainy Bunch

August 12, 2007

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.

46x24 - Mystery of the Giant Sloths Cave

August 19, 2007

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.

46x25 - Geologic Journey: The Great Lakes

September 9, 2007

46x26 - Geologic Journey: The Rockies

September 16, 2007

46x27 - Geologic Journey: The Canadian Shield

September 23, 2007

46x28 - Geologic Journey: The Appalachians

September 30, 2007

46x29 - Geologic Journey: The Atlantic Coast

October 7, 2007