The following is a list of episodes of the anime television series Aria, adapted from the science fiction manga series Aqua and Aria by Kozue Amano. Set in the early 24th century on a terraformed Mars, now called Aqua, it depicts the life of a young woman named Akari as a trainee gondolier tour guide, or undine, for Aria Company, including her friendships with her mentor, Alicia, and two other trainees, Aika and Alice. The anime was produced by Hal Film Maker as a 54-episode television series comprising two seasons, an original video animation (OVA), and a third season. The series was directed by Jun'ichi Satō with character designs by Makoto Koga, and aired on TV Tokyo Network between 2005 and 2008. All three seasons have been released on DVD in Japan. A new OVA, called Aria the Avvenire, was released in the 10th anniversary Blu-Ray Box sets of the anime series between 24 December 2015 and 24 June 2016.