When does Ada Twist, Scientist return?

Ada Twist, Scientist is a 2021 animated preschool television series. It is based on the eponymous book series by Andrea Beaty and David Roberts. The series premiered on September 28, 2021. A second season was released on January 25, 2022, followed by a third season on September 12, 2022 and a fourth season on April 22, 2023.