Thanksgiving Day; Lady Bird & Lynda walk 5 miles along river; Lady Bird describes scenery; Lynda & Luci to ballgame; LBJ & Lady Bird meet guests at runway and drive around ranches; lunch; Lady Bird & guests to Melvin Winters' ranch to see dinosaur tracks; cuts in Highway program; visit to Aunt Jessie & Cousin Oriole; ride through Reagan Ranch; Lady Bird describes family dinner; LBJ reminisces about teaching in Houston; movie on LBJ's trip to Vietnam; LBJ gives percentage of black soldiers in Vietnam