本片是一部美国纪录片片，上映于2009-02-15，由Ellen Goosenberg Kent导演，由Dan Katz/Jon Katz主演。
剧情简介：Americans own 73 million dogs and 90 million cats. They become best friends, soul mates, family members, and even surrogate children. Relationships with cats and dogs are some of the longest and most intimate of our lives. Why are we so attached? Animal behavior experts, evolutionary biologists, veterinarians, and pet owners share insights and observations about these animals and their impact on us.
类型：纪录片 / 家庭
地区：美国
导演：Ellen Goosenberg Kent
编剧：Angela Sakrison
演员：Dan Katz / Jon Katz
