to December 19, 2011. A feminized version of the series, , was created by Masashi Ogawa and began as a webcomic on the Ultra Jump Egg site in June 2008. Its first tankōbon was published on March 19, 2009, and in 2011 it was moved to the Ultra Jump website. The series concluded with the release of its 46 chapter on Ultra Jump, and the release of third tankōbon, both on June 19, 2013. Anime adaptations Television series The first animated series based on Kinnikuman was produced by Toei Animation and directed by Yasuo Yamayoshi, Takenori Kawada and Tetsuo Imazawa. The 137-episode series was originally broadcast in Japan on Nippon TV from April 3, 1983, to October 1, 1986. It was followed by , directed by Takeshi Shirato and Atsutoshi Umezawa. This 46-episode series was produced by Toei and aired on Nippon TV from October 6, 1991, to September 27, 1992. The first series was packaged into 12 DVDs, released from December 6, 2002, to November 21, 2003, and the second series was released on four DVDs from December 5, 2003, to March 21, 2004. On January 9, 2002, Kinnikuman: Second Generation premiered; the 51-episode series aired until December 25 of that year, and was released on 12 DVDs from September 21, 2002, to August 8, 2003. Licensed by 4Kids Entertainment as Ultimate Muscle: The Kinnikuman Legacy, it was broadcast on Fox Box in the United States. In 2003 a 13-episode sequel primarily focused on non-Japanese audiences was announced; it aired on Fox Box in North America, and from April 7 to June 30, 2004, in Japan. Another 13-episode spin-off, Kinnikuman Second Generation: Ultimate Muscle 2, was broadcast from January 4 to March 29, 2006, in Japan. All three series were directed by Toshiaki Komura, produced by Toei Animation and broadcast in Japan by TV Tokyo. The two spin-off series were released as two-DVD box sets on February 24 and June 23, 2006. In October 2022, Discotek Media announced that they had licensed Ultimate Muscle and will release the 77 episodes on Blu-ray Disc in early 2023. Films Seven films based on the original Kinnikuman were released from 1984 to 1986. The first, Kinnikuman, was directed by Takeshi Shirato and released on July 14, 1984. , the last film, was released on December 20, 1986, and was directed by Yasuo Yamayoshi. All seven films were compiled on a DVD released