Watch Full Series of Is It Legal? Online Full Episodes FREE in HD on 123movies. Download Is It Legal? Series 123movies new website. Is It Legal? is a British television sitcom set in a solicitors office in Hounslow, west London, which ran from 1995 to 1998. It was produced by Hartswood Films and was shown on ITV for Series 1-2 and Channel 4 for Series 3. It was written by Simon Nye, who also wrote other ITV sitcoms such as Men Behaving Badly and Hardware.