Robots, artificial intelligence and driverless cars have all been big news stories in 2017, so how long will it really be before the machines start to replace us?

Tonight and tomorrow (8.30pm), this fascinating two-part documentary finds out by delivering Fitbot, Carebot, Tutorbot and Beam to families around the country and letting them see first-hand how much these state-of-the art machines can (and cannot) do.

Meanwhile, robotics experts Professor Jonathan Rossiter and psychologist Dr Caroline Jay monitor every move – of the robots and, perhaps more importantly, their human hosts.