The series follows smart and witty fifteen-year-old identical twins "Liv and Maddie", both played by seventeen-year-old Dove Cameron, and their tight-knit family, younger brothers Joey and Parker, and parents Pete and Karen. "Liv and Maddie" will premiere this fall on Disney Channel. (Source: The Disney Channel)
Diggie returns from Tundrabania, but he and Maddie have trouble reconnecting. Joey tries to solidify his relationship with Diggie through the Tundrabanian sport of Flugelball. Meanwhile, Parker attempts to teach his new unlikely friend Dump Truck how to ride a bike.