Youth '68 Everything's Changing... or Maybe It Isn't This documentary interviews young people on war, religion, music, sex, and other topics. Part of NBC's Experiment in Television. Details Casts Videos Title Youth '68 Release Date 1968-04-19 Runtime 00 Hours 52 Minutes Genres Documentary TV Movie Animation Comedy Drama Music Production Companies NBC, Jim Henson Productions Production Countries United States of America Grace Slick... ... Vanilla Fudge... ... Jefferson Airplane... ... Michelle Phillips... Self... John Phillips... Self... Mike Keene... Reader (voice)... Cass Elliot... Self (as 'Mama' Cass Elli... Don Billett... Reader (voice)... Denny Doherty... Self... Marty Balin... Self... Youth 68 - The Jim Henson Company (Clip)