As of October 2023, there are three movies in the "Cats & Dogs" franchise. The first film, "Cats & Dogs," was released in 2001, followed by a sequel titled "Cats & Dogs: The Revenge of Kitty Galore" in 2010. The third installment, "Cats & Dogs 3: Paws Unite," was released in 2020. Each movie features the ongoing rivalry between cats and dogs, showcasing their secret lives and adventures.

"Cats & Dogs," released in 2001, was primarily filmed in California, USA. Key locations included Los Angeles and various nearby areas that provided the urban settings and environments needed for the film's storyline. The production utilized both indoor studio sets and outdoor locations to create the whimsical world where cats and dogs engage in their secret war.

In the movie "Cats & Dogs," the main villain is a cat named Mr. Tinkles, voiced by Sean Hayes. Mr. Tinkles is a cunning and ambitious feline who seeks to take over the world by eliminating dogs, specifically targeting a new dog agent named Lou, voiced by Tobey Maguire. His plan involves using a device to turn humans against dogs, leading to a comedic battle between the two species as they try to thwart his evil schemes. The film showcases the rivalry and antics between cats and dogs in a lighthearted way.

"Cats & Dogs" is a family comedy that explores the secret war between cats and dogs. The story follows a beagle named Lou, who is recruited by a canine spy organization to thwart the plans of a Persian cat named Mr. Tinkles. Mr. Tinkles aims to take over the world by using a device that can make humans allergic to dogs, thus eliminating their competition. The film features a mix of live-action and CGI, showcasing the humorous antics of both pets as they engage in espionage and battle for their respective species' supremacy.