TV-viewer, beholder, bird-watcher, bystander, drugstore cowboy, eyewitness, gaper, gazer, gazer-on, girl-watcher, goggler, kibitzer, looker, looker-on, observer, ogler, onlooker, perceiver, percipient, seer, sidewalk superintendent, spectator, spectatress, spectatrix, television-viewer, video-gazer, viewer, watcher, witness