1. A client device system comprising: means for receiving video signals broadcast on a multiplexed channel of a broadcast network; means for extracting from the received video signals a closed captioning stream of textual data; means for searching said stream of textual data for occurrences of textual data matching one or more search parameters; and means for sequentially outputting to a television receiver a partial portion of the closed captioning stream of textual data that includes each said occurrence of textual data matching said one or more search parameters.