Aquaman Parent Guide King of the sea. Release date December 21, 2018 Arthur Curry's life is turned upside-down when he learns that he is heir to the kingdom of Atlantis. Why is Aquaman rated PG-13? The MPAA rated Aquaman PG-13 for sequences of sci-fi violence and action, and for some language Official Movie Site Watch the trailer for Aquaman News About "Aquaman" Cast and Crew Aquaman is directed by James Wan and stars Jason Momoa, Nicole Kidman, and Amber Heard. Related news about Aquaman Holiday Movie Preview 2018 Ho-Ho-Hollywood. The Christmas movie season kicks off early this year.