Season 1

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  8.3/10149 votes

  A Winning Design

  Season 1 Episode 1 - Aired 11/20/2002

  From the tiniest bat to the massive blue whale, all mammals share the ability to nurture their young on milk and regulate their own temperatures.

  Director: Unknown

  Writer: Unknown

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  8.3/10128 votes

  Insect Hunters

  Season 1 Episode 2 - Aired 11/27/2002

  Mammals from tiny shrews to giant anteaters have specialised in eating insects. Some have even pursued their prey into the skies.

  Director: Mark Linfield

  Writer: Unknown

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  8.1/10124 votes

  Plant Predators

  Season 1 Episode 3 - Aired 12/4/2002

  The plant eaters take on the largely indigestible, spiny and poisonous defences of plants with some spectacular physical adaptations to diet.

  Director: Unknown

  Writer: Unknown

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  8.1/10120 votes

  Chisellers

  Season 1 Episode 4 - Aired 12/11/2002

  Special tools like chisel sharp front teeth and underground dwelling enable this group of mammals to feast on roots and seeds.

  Director: Unknown

  Writer: Unknown

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  8.4/10128 votes

  Meat Eaters

  Season 1 Episode 5 - Aired 12/18/2002

  Predators and prey must evolve speed, endurance and manoeuvrability to outwit each other, and the pack hunters must maintain order in the ranks.

  Director: Unknown

  Writer: Unknown

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  8.3/10120 votes

  Opportunists

  Season 1 Episode 6 - Aired 1/8/2003

  A mammal capable of having a varied diet can be highly adaptable and exploit new environments including the cities where they thrive.

  Director: Unknown

  Writer: Unknown

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  8.2/10114 votes

  Return to the Water

  Season 1 Episode 7 - Aired 1/15/2003

  With perfect streamlined bodies and great underwater speed, seals, dolphins, porpoises and whales became the new hunters of the sea..

  Director: Unknown

  Writer: Unknown

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  8.2/10117 votes

  Life in the Trees

  Season 1 Episode 8 - Aired 1/22/2003

  A range of adaptations from sucker-feet to gripping tails help the tree dwellers to survive, and in the dark forest super senses come in to play.

  Director: Unknown

  Writer: Unknown

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  8.2/10114 votes

  Social Climbers

  Season 1 Episode 9 - Aired 1/29/2003

  In the daily hubbub of monkey life, only those with a talent for social wheeler dealing get ahead, driving the shift towards larger brains.

  Director: Mark Linfield

  Writer: Unknown

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  8.3/10116 votes

  Food for Thought

  Season 1 Episode 10 - Aired 2/5/2003

  The natural world was transformed when one great ape began to walk upright - us. But why has this led to the development of our extraordinary brains?

  Director: Unknown

  Writer: Unknown