[2] Included in the broadcasts were The Dick Cavett Show, Jack Paar Tonite, Good Night America (a news magazine hosted by Geraldo Rivera), the live concert series In Concert, the UK-originated anthology series Thriller, and Comedy News (a parody of Eyewitness News with an ensemble cast of comedians and satirists including Kenneth Mars, Marian Mercer, Robert Klein, Mort Sahl and Dick Gregory).
[5] Monty Python's Flying Circus, the British comedy sketch television series, taped its last episode in December 1974 and was syndicated to American public broadcasting soon after.
On October 3, 1975, ABC aired the first of two edited compilations of sketches from the series as one of its Wide World of Entertainment comedy specials.
[6] On the March 6, 1975, edition of Good Night America, Rivera had as his guests assassination of John F. Kennedy researchers Robert J. Groden and Dick Gregory, who presented the first-ever network television showing of the Zapruder film.
They were replaced with reruns of television films and the programming block was re-titled ABC Late Night on January 12, 1976.