September 22, 1969-January 12, 1970. Music series featuring appearances by guest artists. The forty-five-minute series was hosted by comedian David Steinberg. Performers included Chris Bokeno, Larry Hankin, Paul Reid Roman, Christopher Ross, and Lily Tomlin.
July 8, 1970-September 16, 1970. This was the final broadcast of the series. "The Smothers Brothers Summer Show" was a toned-down variety hour and attracted little, if any, controversy.