Hey A.J.! Cast

Hey A.J.! is an American animated children's television series created by Martellus Bennett, based on his book series. It premiered on Disney Junior on January 13, 2026, and was released on Disney+ the following day. The series follows A.J., an imaginative young girl, and her stuffed bunny Theo as they transform everyday moments into musical, fast-paced adventures with family and friends.