The series is produced by DC Entertainment, Warner Bros. Animation and Atomic Monster. It is set after the events of James Wan's 2018 DC Extended Universe (DCEU) film Aquaman. The miniseries began on October 14, 2021, and subsequent episodes were released on a weekly basis. It also aired as a feature-length film on Cartoon Network on May 14, 2022. It was removed from HBO Max in August 2022.
Aquaman is trying to prove that he is the right man for the throne. Alongside trusted allies Mera and Vulko, he faces unscrupulous surface dwellers and ancient evils from beyond time.