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Kangaroos

Kangaroos

Season 1 Episode 3
55:21
Dolphins

Dolphins

Season 1 Episode 4
54:51
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Sex in the Wild

Orangutans

Season 1 Episode 2

Joy and Mark travel to Borneo to explore the reproduction challenges of our close cousin — the orangutan. The largest tree dwellers on the planet, orangutans mate, give birth and raise their young high in the jungle canopy. Joy witnesses the sneaky tactics that the females use to take control of mating and Mark finds out how males fight back.

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Dolphins
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54:51
Learn how animals that breathe air mate, give birth and raise their young underwater.
Kangaroos
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55:21
Joy and Mark uncover the reproductive secrets of the pouch-wearing marsupials.
Elephants
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54:52
Travel to Africa to explore the unique reproduction challenges of the largest land animal.
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