1. A system interactively controlled by a TV viewer remote for displaying video clips related to selected programs identified on a program guide on the viewer's display screen comprising: a tuner having an input for receiving TV signals in a plurality of cable channels and an output for passing a signal of a selected one of said channels; a computer having input means for receiving any of a plurality of control signals from the TV viewer remote, output means for controlling said tuner to pass said signal of a selected one of said channels in response to one of said plurality of control signals from said TV viewer remote and means for receiving and storing an input picture image signal from said tuner containing local program guide data and video clips related to selected programs identified by said program guide data and for generating an output picture image signal including any selected one of said video clips; and means for combining said passed signal and said output picture image signal to provide a display signal for input to the viewer's display screen, said computer being responsive to a control signal from said remote to determine the presence of a selected video clip signal and to combine said selected video clip signal with said passed signal when said presence of said selected video clip signal is determined.