Dr. John Oakes taught a class on the Book of Isaiah for the San Diego Church of Christ and for the Bakersfield Church of Christ on five consecutive Sundays beginning Sun. 3/7   Notes, power point and audio are all available here:

Isaiah Notes    Isaiah PPT    Isaiah I Audio      Isaiah II Audio    Isaiah III Audio    Isaiah IV Audio    Isaiah Audio V    Isaiah VI Audio    Isaiah 60-62    Who Would Have Believed Our Message Isaiah 52-54 Sermon