"Wilson Phillips: Still Holding On" -- airs Sundays at 9/8c on TV Guide Network. Follow TV Guide Network on Facebook at: www.facebook.com The band has plans to shoot a live concert for Public Television -- a huge opportunity to nationally promote their new album and their comeback. There's only one problem: They need a new drummer. Carnie's family falls ill, leaving Chynna and Wendy to make the decision. Then to make matters worse, before the television appearance, Carnie gets sick as well. With no rehearsal, will the girls be able to pull off this huge live performance?