Episode Rankings

1. #1 Fan Favorite
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   8.7/10(832 votes)

   #1 - Challenges of Life

   S1:E110/11/2009

   A look at how some animals and plants go to extremes to give themselves a chance to breed.

   Director:Unknown

   Writer:Unknown

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2. 

   8.7/10(711 votes)

   #2 - Reptiles and Amphibians

   S1:E210/18/2009

   A look at the strategies used by reptiles and amphibians to conquer their shortcomings.

   Director:Unknown

   Writer:Unknown

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3. 

   8.7/10(596 votes)

   #3 - Plants

   S1:E912/6/2009

   A look at plants and the ingenious and manipulative ways they counter life's challenges.

   Director:Unknown

   Writer:Unknown

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4. 

   8.5/10(616 votes)

   #4 - Fish

   S1:E411/1/2009

   A look at various fish species including sea dragon, fringehead and Hawaiian goby.

   Director:Unknown

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5. 

   8.5/10(590 votes)

   #5 - Insects

   S1:E611/15/2009

   Super-slow motion shows a bombardier beetle firing boiling liquid at its enemies.

   Director:Unknown

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6. 

   8.5/10(576 votes)

   #6 - Creatures of the Deep

   S1:E811/29/2009

   A look at marine invertebrates, including Humboldt squid, starfish and giant octopuses.

   Director:Unknown

   Writer:Unknown

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7. 

   8.5/10(545 votes)

   #7 - Primates

   S1:E1012/13/2009

   Primates are just like humans - intelligent, quarrelsome, family-centred.

   Director:Unknown

   Writer:Unknown

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8. 

   8.4/10(651 votes)

   #8 - Mammals

   S1:E310/25/2009

   How mammals dominate the planet through having warm blood and by caring for their young.

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9. 

   8.3/10(591 votes)

   #9 - Birds

   S1:E511/8/2009

   A slow-motion camera captures the unique flight of the Marvellous Spatuletail Hummingbird.

   Director:Unknown

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10. 

    8.3/10(568 votes)

    #10 - Hunters and Hunted

    S1:E711/21/2009

    Unique footage of a killer whale engaging in sneaky behaviour to hunt elephant seal pups.

    Director:Unknown

    Writer:Unknown

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    Director:Unknown

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