Road Rovers Episode 6 The Dog Who Knew Too Much Episode Title:The Dog Who Knew Too Much.Episode Description:One dog has the answers to a rash of human and canine kidnappings, and becomes a temporary Road Rover so he can testify. However, Sport, the name of the dog, had somewhat of a big mouth and tried talking himself out of certain situations. This episode's title is a play on the title "The Man Who Knew Too Much".