sci-fi movie watched on TV mid 80s

I was born 1978 as an 8 or 10 year old kid I remembered watching a movie, on tv, involving a scientist or robotics engineer uncovering an evil plot and escaping the lab. On returning home (appartment in an American city late ? early 80s) he tells his ?girlfriend who later tries to kill him. Her arm gets cut off as some point in the escape and reveals she is a robot clone. He eventually fleas to family that live in a rural farm. They have a son and daughter . They all turn out to be humanoids and eventually try to kill him. One scene is of the boy robot driving a front end loader and is about to kill the man (strong lead actor) but tbe loader hits the light and the robot is electricuted. That is all I can remember. Thanks

6 thoughts on “sci-fi movie watched on TV mid 80s

  1. “Annihilator”(1986 TV Movie)
    You can watch the full movie here, but the scene with the boy getting electrocuted on the bulldozer is at around 1:20.30

    1. My first answer is awaiting moderation because I attached a youtube link to watch the movie, so I will answer again without the link, but you can watch the full movie on youtube and the scene with the android boy getting electrocuted on the bulldozer is at about 1:20.30
      “Annihilator”(1986 TV Movie)
      http://www.imdb.com/title/tt0090649/

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