At the end of the 21st century, the discovery of a new energy source called "DG energy" (short for "divine grace energy") has revolutionized Earth's economy and allowed humanity to colonize space. However, when the initial expedition reaches Pluto, they are attacked by a mysterious, giant life-form known as "Nergal."The Earth Alliance Army fights back by creating an "AG Unit" using ancient robot weapons known as the "G's Frame" which were excavated from archaeological sites all around the world. Girls with special qualities known as "Ancient Girls" can pilot these robots against the Nergal. However, the first AG Unit suffers heavy casualties in the Jupiter Trojan campaign, and the pilot of Unit 04, Minamiya Reiu, goes missing-in-action...Years later, Minamiya Reika, the younger sister of Reiu, enlists with the AG Unit to search for her sister and to protect the Earth from the Nergal. A story of friendship, ancient robot weapons, and battles to the death with the Nergal ensues.

The Ancient Dogoo Girl is a Japanese comedy tokusatsu series directed by Noboru Iguchi, director of The Machine Girl and RoboGeisha. The show airs on MBS every Wednesday night at 25:25 JST. The ending theme is Denki Groove's "Dareda!".

In October 2010, Dogoo Girl premiered its sequel The Ancient Dogoo Girls. The show adds five more Dogoo Girls portrayed by Misaki Momose, Rina Takeda, Manami Nomoto, Maria Yoshikawa, and Haruka Dan. The theme song for the sequel is "Bakuha Seyo! Dogoon V".

A historical fantasy that unfolds a mysterious story between a high-school girl from Urasoe and Satto, the king of the Ryukyu Kingdom.