Grendizer U
グレンダイザーU
“Space and Earth. Do you recall my faded memories?”
We checked 8 streaming services in India on 04 Jun 2026 at 09:42 IST
About
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.
Cast
Seasons
Episodes
Season 1
Two Stars Meet in the Desert
A man who fell into the desert has no memory. He is named Daisuke and hits it off with Koji Kabuto, who picked him up. As unidentified forces attack the Earth, a giant robot called Grendizer appears.
Legend of the Stars
Duke defeats the Vega forces, but loses his senses and flies away eventually landing on Ogami Island. Koji follows him and just as he meets the island's shrine maiden Hikaru, his arch enemy Cassado attacks Earth.
Fury of the Duke
Duke's anger burns up in the despicable cassado. He makes Grendizer run wild, but he remembers his promise to Koji and stops. Duke regrets that he got on again and cheers of gratitude.
The Flower of Love Bloomed in the Sky
Reunion with childhood friend Naida. It brings a brief moment of peace to Duke. However, she approached Duke as an enemy of her brother Sirius. The blade of love and hate is approaching.
Maria's Arrival!
Duke's sister, Maria, came to earth after her brother. However, Maria looks down on the unexplored planet Earth with girlish arrogance. Meanwhile, the Vega army will attack again.
The Two Princesses
Teronna, a female knight who can be said to be Duke's best friend, landed on Earth. Unlike the previous Vega army, Teronna offers a fair game, but she condemns Duke as a planet sinner.
Horror in the Depths of the Sea
Investigation of super-ancient ruins was underway on Aijin Island. A new weapon of the Vega army is released in the nearby sea. Grendizer is dragged into an unexpected battlefield and has a hard time. At that time, a mysterious shadow approaches.
Encounter in Asakusa
Duke receives a message from the flying beast and reunites with Rubina, who has come down to Earth. Duke begins to tell the truth about the tragedy on Planet Fleed.
Where does Grendizer U rank today?
Grendizer U is #1255 on the CineFlixo Daily Streaming Charts today.
- Highest: #1255
- Top 10: 0 days
- Top 100: 0 days
Watch Grendizer U Online Free — All Episodes in HD
Stream Grendizer U online free in HD on CineFlixo. A popular animation, action & adventure, and sci-fi & fantasy series originally produced in Japonés and released in 2024, it's earned a solid 6.4/10 from 7 viewers worldwide.
About Grendizer U
“Space and Earth. Do you recall my faded memories?”
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. Across 1 season and 13 episodes, originally airing on TV Tokyo.
Grendizer U Cast and Characters
The cast features Miyu Irino (as Duke Fleed (voice)), Hiro Shimono (as Koji Kabuto (voice)), Sumire Uesaka (as Sayaka Yumi (voice)), Nao Toyama (as Hikaru Makiba (voice)), and Minami Tanaka (as Grace Maria Fleed (voice)). Their performances are a major reason Grendizer U has built such a passionate audience.
Where to Watch Grendizer U Online
On CineFlixo you can watch Grendizer U free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Grendizer U NowWhy People Are Watching Grendizer U
Grendizer U flies under the radar but it deserves your attention. What makes it work is action sequences that don't feel cheap and world-building that respects the audience's intelligence. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Grendizer U
Where can I watch Grendizer U online for free?
You can watch Grendizer U online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Grendizer U have?
Grendizer U has 13 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is Grendizer U good? What's the rating?
Grendizer U holds a 6.4/10 rating based on 7 reviews — a solid pick if the genre interests you.
Who is in the cast of Grendizer U?
The main cast includes Miyu Irino, Hiro Shimono, Sumire Uesaka, and Nao Toyama, plus a strong supporting ensemble.
Is Grendizer U available in Japonés?
Yes — Grendizer U was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Grendizer U released?
Grendizer U first aired in 2024.
Do I need an account to watch Grendizer U on CineFlixo?
No. CineFlixo is free and you can watch Grendizer U without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch Grendizer U for free?
You can watch Grendizer U online for free on CineFlixo. All 13 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Grendizer U have?
Grendizer U currently has 1 season and a total of 13 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Grendizer U about?
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 ap… It belongs to the Animation, Action & Adventure, Sci-Fi & Fantasy genres.
In which language is Grendizer U originally available?
Grendizer U was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Grendizer U first released?
Grendizer U first premiered on July 6, 2024 (2024). The series has since concluded its run.
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