E1 - Tarantula: Australia's King of Spiders

Aired: 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.

E2 - Nature Bites Back: The Case of the Sea Otter

Aired: September 14, 2005

E3 - Earth Energy

Aired: October 19, 2005

E4 - Change of Heart

Aired: October 26, 2005

E5 - The Secret Life of Babies

Aired: November 02, 2005

E6 - Tsepong: A Clinic Called Hope

Aired: November 09, 2005

E7 - Port Hope: A Question of Power

Aired: November 16, 2005

E8 - Everyday Einstein

Aired: June 18, 2006

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

E9 - Homo Sapiens: The Rise of Our Species (Pt.1)

Aired: 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.

E10 - Homo Sapiens: The Rise of Our Species (Pt. 2)

Aired: July 02, 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.

E11 - Ghosts of Futures Past: Tom Berger in the North

Aired: July 09, 2006

E12 - Blue Buddha: Lost secrets of Tibetan Medicine

Aired: July 16, 2006

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

E13 - Beetalker: The Secret World of Bees

Aired: July 23, 2006

Examining how bees communicate.

E14 - Cuba: The Accidental Revolution (Pt. 1)

Aired: July 30, 2006

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

E15 - Cuba: The Accidental Revolution (Pt. 2)

Aired: August 06, 2006

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

E16 - When Less Is More

Aired: August 13, 2006

E17 - Stephen Lewis: The Man Who Couldn't Sleep

Aired: December 06, 2006

E18 - Wild Caribbean: Hurricane Hell

Aired: 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.

E19 - Build Green

Aired: 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.

E20 - Wild Caribbean: Reefs and Wrecks

Aired: 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.

E21 - Wild Caribbean: Treasure Island

Aired: 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.

E22 - Wild Caribbean: Secret Shores

Aired: 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.

E23 - Cuttlefish – The Brainy Bunch

Aired: 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.

E24 - Mystery of the Giant Sloths Cave

Aired: 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.

E25 - Geologic Journey: The Great Lakes

Aired: September 09, 2007

E26 - Geologic Journey: The Rockies

Aired: September 16, 2007

E27 - Geologic Journey: The Canadian Shield

Aired: September 23, 2007

E28 - Geologic Journey: The Appalachians

Aired: September 30, 2007

E29 - Geologic Journey: The Atlantic Coast

Aired: October 07, 2007