Ultimate Muscle
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.