Ultraman Nexus was produced by Tsuburaya Productions, Chubu-Nippon Broadcasting (CBC), and Dentsu. It was the 17th entry in the Ultra Series and the first entry to be featuring a more darker and adult mature tone. The series aired on Tokyo Broadcasting System, including TBS, CBC, MBS, etc. The show ran from October 2, 2004 until June 25, 2005, with a total of 37 broadcast episodes. Subsequent DVD releases from Bandai Visual saw a brand new 45-minute Episode EX and an extended 45-minute Director's Cut of Episode 29.

Tsuburaya Productions is a Japanese special effects studio founded in 1963 by special effects director Eiji Tsuburaya and was run by his family, until October 2007, when the family sold the company to advertising agency TYO Inc. The studio is best known for producing the Ultra Series. Since 2007, the head office has been located in Hachimanyama, Setagaya, Tokyo.