1. A system for monitoring a plurality of scrutiny locations from a central station using dial-up telephone facilities comprising: television camera structures at said plurality of scrutiny locations for providing representative dynamic image television signals representative of scenes; at least one television display structure at said central station; telephonic interface apparatus for interconnecting said television structures at said scrutiny locations to said central location; and a control unit at said central station including memory for storing scrutiny location call data and graphic display data, said control unit for actuating said telephonic interface apparatus to establish television communication between said central station and said scrutiny locations to provide a sequence of remote location displays at said central station showing a scene and graphic display data, said control unit further including interrupt structure for receiving an interrupt signal manifesting a predetermined circumstance to interrupt said sequence and to provide an alternate display of a scene from one of said scrutiny locations along with graphic display data, further including sensor units at said scrutiny locations for providing said interrupt signal to said control unit, wherein said sensor units are priority coded to provide interrupt signals of different priorities and wherein said central unit provides displays in accordance with said priorities.