Duke Fleed is a survivor of the Fleed Planet who has escaped to Earth. Onboard a mysterious 'spaceship,' he is raised by Dr. Umon as his adoptive son, and becomes known as Daisuke Umon. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru and later his younger sister Maria Grace, Duke decides to fight back using his best weapon - the almighty Grendizer.

Type: TV

Country: Japan

Premiered: Spring 2024

Date aired: Apr 16, 2026 to ?

Broadcast: Thursdays at 00:55 JST

Status: finished

Source: Original

Genres: Action, Sci-Fi

Scores: 6 / 222 reviews

Duration: 3 min

Episodes: 13 / ?