Blood on the Screen (1970)

When a young man receives an old VHS box TV on his porch, he has no idea what horrors await him. As he plugs it in and watches a cooking show featuring Chef Kevin, the TV takes control of his mind, leading him down a path of paranoia and instability. As the night progresses, the lines between reality and fiction become increasingly blurred, and the protagonist becomes desperate to escape the TV's grip.