圓谷製作
is the 21st entry in the Tsuburaya Productions' long-running Ultra Series. It is a revival of the 1967 series "Ultraseven", and is the first in Tsuburaya Productions' "Ultra" hero series to be exclusively for an adult audience and in a wide screen high-definition format. The show first aired on October 5, 2007 at 2:15am on CBC and 2:25am on TBS.