Cats are the most popular pet in Europe. Around 14 million house pets live in German households alone. But hardly anything is known about the nature of cats - their emotional life has been little studied by science. Until now! Scientists all over the world have begun to explore the secret nature of cats.

Cast:Constantin von Westphalen, Delia Nitschke, Dennis Turner, Willa Bohnet, Marina Scheumann, Nina Julius,

Genre:Documentary, TV Movie,

country:Germany,

Production:Spiegel TV, MDR, ARTE,