Tv Series 50min Documental ,
Seasons: 1
Created By:
Star Cast: David Attenborough ,
Especiales (2011-12-28)
Temporada 1 (2011-10-26)
Documental
penguin polar bear arctic polar circle region reindeer antarctica struggle for survival four seasons killer whale endangered species nature documentary animal life arctic wildlife animals & nature wildlife documentary antarctic
David Attenborough
Self - Narrator