1963–64 United States network television schedule aired on CBS from 6:30 to 7 p.m. "100 Grand" only lasted three weeks, and was replaced by "Laughs For Sale", which ran until December 1963. On April 1964, "The Celebrity Game" was added to CBS' primetime lineup. "Empire" on ABC consisted of reruns of the 1962-63 NBC TV series. Note: Beginning in September, "CBS Evening News with Walter Cronkite" (formerly "Walter Cronkite with the News") and "The Huntley-Brinkley Report" expanded to a half-hour, airing weekdays at 6:30 p.m Note: The 1964 CBS summer series "High Adventure with Lowell Thomas" consisted of reruns of specials which had aired under that
Walter Cronkite events that alter and illuminate our times ... and you were there." In 1971, the show was revived and redesigned to attract an audience of teenagers and young adults, hosted again by Cronkite on Saturday mornings. In 1957, he began hosting "The Twentieth Century" (eventually renamed "The 20th Century"), a documentary series about important historical events of the century composed almost exclusively of newsreel footage and interviews. A long-running hit, the show was again renamed as "The 21st Century" in 1967 with Cronkite hosting speculative reporting on the future for another three years. Cronkite also hosted "It's News to Me",