 He freezes in terror, then reveals his former shape-shifting secret to his wife, who is certain his story cannot be true; he warns her that if the inscription on the ring (""In canis corpore transmuto"") [I transmute into the body of a dog] is spoken aloud he will turn into a shaggy dog.Soon afterward, Wilby is moments before his live television debut as Tim discovers the inscription on the ring and reads it aloud, causing Elwood to disappear - only to reappear moments later as he takes over Wilby's body.Moments before the cameras roll Brian notices that shaggy hair is growing all over his father, who reacts in horror, as he realizes he is turning into an Elwood the shaggy dog.