Just So Darwin: Episode 4 is no longer available. Programmes are available for a limited number of days after broadcast. Why?
It is time for Sam to settle down for three more animal stories.
In the first story, Percy the puffer fish discovers his puff. In the second story, Sam finds out how the giraffe got to have such a long neck. In story three, Grandad and Sam meet Lonesome George and find out why he is the last of his kind of tortoise left in the world.
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