AnimalsJokes A Man Had A Knock At His Door. What Happened Next Is Unbelievable. A man had a knock at his door earlier, it was a policeman… “Mr Cook?” “Yes,” I replied. “I’m afraid your dog has just been reported to have chased someone on a bike.” A man said, “That’s impossible – my dog doesn’t have a bike!” See more Previous joke An Elderly Guy Gets Pulled Over By A Speed Cop. Next joke Three Dinosaurs Come Across A Magical Lamp.