How did I never hear of Stick Around, a 1977 unsold sitcom pilot that starred Andy Kaufman as a robot? This is not to be confused with Heartbeeps, a 1981 movie which starred Andy Kaufman as a robot. The pilot was written by Fred Freeman and Lawrence J. Cohen, a prolific writing team who were responsible for a very clever movie called The Big Bus. This was two years after Kaufman had first appeared on Saturday Night Live and a year after he'd been a regular on Van Dyke and Company, a variety series that Dick Van Dyke starred in. A few years later, Kaufman would wander onto Taxi…