Next Up Season 1 Episode 19 Big Brother and the Holding Company, Janis Joplin, Frank Converse, Mary Switzer, William Safire July 31st, 1968 Season 1 Episode 17 Heywood Hale Broun, Henry Pinkwater, Mitch Ryder, Jean Shrimpton, Dr. William Grier July 26th, 1968
