Following a devastating attack by Vega's forces on planet Fleed, Duke Fleed, and Grendizer escaped to Earth. When he got there, Dr. Amon, the head of the Space Research Center, adopted him and gave him the name Daisuke. While they were working side by side in the center on a quest to find out what strange objects appeared in the city's sky! They were surprised by an attack that jolted Daisuke's memory.
Sorry, no info about the next episode of Grendizer U is available yet.
The TV show is either in vacation or waiting to start their new season. When information about future episodes becomes available, it will be posted here.
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