Mia’s younger brother Terry Watanabe comes to town and tries to convince Mia to sing in his band as part of his performance at a children’s hospital. Mia is reluctant to help Terry as her parents want Terry to get into med school. Meanwhile, Serrator begins his next attack on Earth, which overwhelms the others until Mia shows up and she drives him away, in order to bring his plan into fruition. At the same time, Bulk and Spike try to form their own musical act. Mia and Antonio sing at the concert together.