The crew dives at night to observe the Nautilus -- a living marine fossil.
Sharks
Savage World of the Coral Jungle
Search in the deep
Whales
The Unexpected Voyage of Pepito and Cristobal
Sunken Treasure
The Legend of Lake Titicaca
The Desert Whales
The Night of the Squid
Return of the Sea Elephant
Those Incredible Diving Machines
The Water Planet
Tragedy of the Red Salmon
Lagoon of Lost Ships
The Dragons of Galapagos
Secrets of the Sunken Caves
The Unsinkable Sea Otter
The Forgotten Mermaids
Octopus, Octopus
A sound of dolphins
A smile of the walrus
500 million years beneath the sea
Hippo!
The singing whale
South to fire and ice
The flight of penguins
Beneath the frozen world
Blizzard at Hope Bay
Life at the end of the world
Beavers of the north country
The coral divers of Corsica
The sleeping sharks of Yucatan
The sea birds of Isabella
Mysteries of the hidden reefs
The fish that swallowed Jonah
The incredible march of the spiny lobsters