Grendizer U (2024)
The legendary super robot returns — Grendizer U revives Go Nagai's iconic mecha franchise with bold new animation and a reimagined story for a new generation.
Grendizer U - Series Information
- Original Title: グレンダイザーU
- First Air Year: 2024
- Last Air Year: 2024
- Type: TV Series
- Genres: Animation, Action, Adventure, Sci-Fi, Fantasy
- Episode Runtime: Average runtime per episode (24 minutes)
- Number of Seasons: 1
- Number of Episodes: 13
- Status: Ended
- Original Language: Japanese
- Spoken Languages: Japanese
- First Air Date: July 6, 2024 (Australia - PG)
- Networks: TV Tokyo
- Production Companies: Gaina, Dynamic Planning, Kinoshita Group, Pony Canyon, Bandai Spirits, TV Tokyo Medianet
- Production Countries: Japan
Grendizer U - Plot
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.
Grendizer U - Trailer
Watch the official trailer and see the legendary super robot take flight once more:
Space and Earth. Do you recall my faded memories?
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Grendizer U - Cast & Crew
Main Cast
- Miyu Irino
- Hiro Shimono
- Sumire Uesaka
- Nao Toyama
- Minami Tanaka
- Haruka Tomatsu
Executive Producers
- Yuichiro Takahata
Grendizer U - FAQs
Is Grendizer U a reboot or sequel to the original?
Grendizer U is a full reboot of the classic 1975 super robot series UFO Robot Grendizer, itself a spin-off of Mazinger Z. Rather than continuing the original story, it reimagines Duke Fleed's arrival on Earth and his battle against Vega's forces with modern animation and updated storytelling for contemporary audiences.
What is Grendizer U about?
After Vega's forces devastate his home planet Fleed, Duke Fleed flees to Earth with his giant robot Grendizer. Adopted by Dr. Amon and living under the name Daisuke, he works at a Space Research Center until a sudden alien attack shatters his amnesia and forces him back into battle to protect his new home.
Where can you stream Grendizer U online?
Streaming availability for Grendizer U varies by region. For the most up-to-date viewing options — including subscription, rental, and purchase platforms available in your country — check JustWatch, which aggregates current streaming listings in real time.
Who voices Duke Fleed in Grendizer U?
Duke Fleed is voiced by Miyu Irino, one of Japan's most celebrated voice actors, known for roles in Spirited Away and Sword Art Online. The cast also includes Hiro Shimono as Koji Kabuto, Sumire Uesaka as Sayaka Yumi, and Haruka Tomatsu in a dual role as Teronna and Rubina.
How many episodes does Grendizer U have?
Grendizer U ran for a single season of 13 episodes, which aired on TV Tokyo in 2024. The series concluded that same year, delivering a compact, self-contained story that modernizes the original Grendizer mythology while keeping the episode count tight and the pacing focused.
Is Grendizer U based on a manga or original work?
Grendizer U is based on the iconic super robot manga and anime franchise created by Go Nagai, the legendary creator behind Mazinger Z and Devilman. The original UFO Robot Grendizer debuted in 1975 and became a massive cultural phenomenon, especially in the Middle East and France, inspiring this 2024 reboot.
Who composed the music for Grendizer U?
The score for Grendizer U was composed by Kohei Tanaka, a prolific anime composer celebrated for his work on One Piece, Sakura Wars, and Gravity Rush. His dynamic, orchestral style brings an epic, emotionally resonant soundscape to Duke Fleed's battles and the series' more introspective moments alike.
What are similar anime series to Grendizer U?
Fans of Grendizer U will likely enjoy the original UFO Robot Grendizer (1975) and Mazinger Z (1972) for classic super robot action, or Voltron: Legendary Defender (2016) and Aquarion (2005) for modern mecha storytelling. Steel Jeeg (1975) and Dino Mech Gaiking (1976) are also excellent picks from the same golden era.
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