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The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.
First Air Date : Jan 01, 1970
Last Air date : Jan 01, 1970
Episode : 6 Episode
Season : 1 Season
Runtime: 26:14 minutes
Studio: BBC One
Country: United Kingdom
Cast: David Attenborough
