Season 49

A rare and intimate glimpse into the inner life of one of the most intelligent, playful and mischievous species on the planet.

A look at the astonishing and complex relationships of the "mini monsters", insects of the Membracidae family - treehoppers that live amid one of the richest ecosystems on the planet, one so mysterious most people don't even know that it exists.

A personal quest to discover the truth behind the disappearance of a captivating tiger, one of the world's leading tiger cameramen, tracks the escape and subsequent wanderings of a male tiger, named Broken Tail, from Ranthambore National Park.

The extraordinary and often harrowing story of Charles Darwin's 30-year struggle to piece together the mystifying puzzle he saw in nature, and publish his theory on the evolution of life on earth.

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No description available for this episode.

A father and daughter set out with hope on a journey of discovery to Canada's three coasts determined to find solutions for a troubled ocean and look signs of a sustainable future.

Could bees be an early warning sign of a larger problem with our ecology? Are they the canary in the coal mine for the health of planet earth?

Meet nature's detectives; how bugs, plants, bones ... even dust can be formidable enemies of crime.

Is today's strong pot damaging young minds? That provocative question is at the heart of this new documentary on recent science discoveries about marijuana and mental illness.

Bats are scientifically extraordinary creatures. Now scientists have begun unlocking the secrets of the bat and are developing potential medical therapies based on their discoveries.

What would you do if you discovered a nuclear plant might be built right next door? Two women from Peace River Alberta journey into Ontario's nuclear heartland, to find out for themselves about life with a nuclear neighbour.

A journey into the rainforests of the Peruvian amazon to investigate the mysterious Red Uakari monkey, never before filmed in the wild.

Explore the ocean's tumultuous history and how the ocean transformed the earth into the livable, blue planet it is today.

Ancient traditional fisheries, over-development and the places of recovery that can give us hope for a healthy future ocean all intersect.

Starting in the deepest part of the ocean, take a secret and magical world of bizarre creatures and new discoveries deep beneath the surface.

Explore some of the most stunning underwater locations in the world and set sail on a scientific race to predict the fate of the global ocean.

Is space becoming a new war zone? A revealing look at the fine line between space-faring and space warfare.