Cats & Dogs (2001)

Cast: Jeff Goldblum, Elizabeth Perkins, Alexander Pollock, Miriam Margolyes, Tobey Maguire, Alec Baldwin, Sean Hayes, Susan Sarandon, Joe Pantoliano, Michael Clarke Duncan

When a professor develops a vaccine that eliminates human allergies to dogs, he unwittingly upsets the fragile balance of power between cats and dogs and touches off an epic battle for pet supremacy. …