Twins Phoebe and Max are enjoying their superhero lifestyle, but when one 'save' goes awry, the Thundermans are sent back to Hiddenville. While Hank and Barb enjoy their return, and Billy and Nora look forward to a normal high school life, Max and Phoebe are determined to regain their superhero status.
On the eve of a Kate's 30th birthday, she agrees to let her two lifelong friends, Evie and Charlie, throw her a party. But what's supposed to be a simple celebration becomes a wild who's who of past and present, and things quickly spiral out of control.
A mono virus outbreak at Highland Park High takes out the most popular kids for two months, allowing the outcasts to rule the school.
