The Karate Dog (2004)

When LAPD computer expert Peter Fowler investigates the killing of an old man in Chinatown, he finds the only witness is his dog, Cho Cho. But Fowler soon discovers Cho Cho is the only dog in the world who can speak to humans... not only that, Cho Cho is an expert in martial arts. When they join forces to track down the mastermind behind the death of Cho Cho's master, it leads these unusual partners into uncovering a dangerous conspiracy which puts both of their lives in danger.