Just before the robot is destroyed by the alien blasters , it finds the object of their search on the surface .
Just before the robot is destroyed by the alien blasters , it bequeaths it to Derec , though Derec knows nothing of its function or importance .
Just before the robot is destroyed by the alien blasters , it finds the object of their search on the surface and bequeaths it to Derec , though Derec knows nothing of its function or importance .