The Thundermans
During the fourth season, Max and Phoebe, under their Thunder Twins team-up, are selected as candidates for membership to the elite Hero League team called the Z-Force. Halfway through the season, Phoebe accidentally absorbs Dark Mayhem's powers, which turn her evil, but her family saves her. At the end, Phoebe and Max become the new Z-Force leaders and enroll the Thundermans as members.