详情介绍
本片(剧)是一部美国制片作品的纪录片，于2018年上映。对白语言为英语，目前豆瓣评分8.1(仅供参考)。
He has shared our lives for 20,000 years. Along the way, he has helped us find food, kept our livestock, protected us from our enemies, guided us in extreme conditions, and saved us from peril. Now, he comforts us, relieving loneliness and helping us cope with old age. How did dogs come about?