Two musical pieces are used through the series: the opening theme, "Super Shooter" by Rip Slyme, and the ending theme, "Last Kiss" by Bonnie Pink. The Gantz anime is divided into two seasons: The first season is known as "The First Stage", while the second season is known as "The Second Stage", which is a direct continuation of the first season. The First Stage aired in Japan with several scenes censored due to inappropriate content such as violence or nudity. However, the DVDs from the series contained the scenes uncensored. The Second Stage aired on Japanese network AT-X on August 26, 2004. There are a total of 12 Japanese DVDs, released from August 28, 2004 to June 29, 2005. Additionally, the DVDs were compillated into box sets.