Comedy legend Mel Brooks discusses his childhood, military experience, and stand-up, TV and film career, and sings the theme songs from his iconic comedies.Comedy legend Mel Brooks discusses his childhood, military experience, and stand-up, TV and film career, and sings the theme songs from his iconic comedies.Comedy legend Mel Brooks discusses his childhood, military experience, and stand-up, TV and film career, and sings the theme songs from his iconic comedies.