Cinema's Best Friend

Why the movies have developed a serious case of puppy love. (Hint: they're fetching)

What do all Hollywood studio execs wish they had right now? A hot dog. The three puppy movies released in the past three months--lapdog empowerment tale Beverly Hills Chihuahua, ruff-road-trip comedy Bolt and man-meets-retriever weepie Marley & Me--have all taken in more kibble than any other dog movie in four years. On Jan. 16, the canine canon expands again with Hotel for Dogs, in which two kids find a way to house, feed and, crucially, toilet train more than a dozen strays. Plus, the kids are orphans. If by the end of the film you don't want to adopt something, check...