Tensions come to an ugly head as the cast confronts Rob about his dictatorial ways. They seem fractured beyond repair and can barely make it through a performance at a local theme park without multiple things going wrong.

The Grand River Singers are asked to make an audition tape for a potential appearance at the Mall of America. The group also performs a flash mob at a local grocery store.

It's Oktoberfest time in La Crosse, Wisconsin and GRS don their lederhosen to hit the parade route and perform for a beer-swilling crowd of thousands. Rob and Tim panic as audio problems arise just as they approach the judges.