First transmitted in 1961, David Attenborough encounters fish that walk on land, giant chameleons nearly three feet in length and the coelacanth fish that scientists thought had been extinct for over 50 million years.
The discoveries are part of a four month journey through Madagascar in search of some of the remarkable animals which occur nowhere else in the world.
Attenborough brings some chameleons and tenrecs back to London Zoo.
Sir David Attenborough - The Early Years
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