Ultraman Mebius is a Japanese television series produced by Tsuburaya Productions and Chubu-Nippon Broadcasting. It is the 20th TV series and 40th anniversary production in the Ultra Series, which first began in 1966. It premiered on the Tokyo Broadcasting System on April 8, 2006. Unlike the two prior entries, Ultraman Nexus (2004) and Ultraman Max (2005), Mebius was moved from Saturday mornings to Saturday evenings at 05:30 and the show went on to air in Korea in April 2012.