Touching nature docu gets too emotional for littlest kids.
Informative otter docu best for older animal-loving kids.
Educational but slow docu may not keep kids' interest.
Gorgeous educational docu dives deep for facts; kids OK.
From garden eels to sea dragons, this lovely film depicts the mystery and majesty of the world's underwater creatures.
Why did the penguin cross the road -- or walk 70 miles across the tundra? This gripping documentary has all the answers.