Harry's robot has to go to the robot hospital to get fixed. So Nan and Harry decide to make their own robot while he's being mended. Then when Nan has to go into hospital (to get mended as well), Harry knows exactly what to do to help her get better. Harry's robot has to go to the robot hospital to get fixed. So Nan and Harry decide to make their own robot while he's being mended. Then when Nan has to go into hospital (to get mended as well), Harry knows exactly what to do to help her get better!