Synopsis
Nobita and friends finds a secret underwater castle packed with mysteries and riches. With Doraemon's high-tech gadgets, they dive into an ocean adventure mixing humor, teamwork, and imagination in a breathtaking aquatic world.
Movie Information
- Director
- Tetsuo Yajima
- Writers
- Isao Murayama
- Release Year
- 2026
- Runtime
- 102 minutes
- Genre
- Animation, Adventure, Fantasy, Family
- Language
- JA
- Country
- Japan
- Status
- Released
- Rating
- 7.3 / 10 (10 votes)
Top Cast
Wasabi Mizuta
Doraemon (voice)
Megumi Oohara
Nobita (voice)
Yumi Kakazu
Shizuka (voice)
Subaru Kimura
Gian (voice)
Tomokazu Seki
Suneo (voice)
Shoya Chiba
Eru (voice)
Ryo Hirohashi
Underwater Buggy (voice)
Ready to watch Doraemon the Movie: New Nobita and the Castle of the Undersea Devil?
Pick a streaming source and press play — free, HD, no signup.
▶ Watch Doraemon the Movie: New Nobita and the Castle of the Undersea Devil FreeSimilar Movies
ME!ME!ME!
2014 ★ 7.9
Pretty Cure All Stars: Everybody Sing♪ Miraculous Magic!
2016 ★ 6.2
To be Near You
2019
Dragon Ball GT: A Hero's Legacy
1997 ★ 6.8
Bonobono
1993
Kiki & Lala's Hansel and Gretel
1993
Kino's Journey: Country of Illness -For You-
2007 ★ 8.0
Tamagawa-kun Wants to be a Cat
2025 ★ 10.0
The Jungle Book
2016 ★ 6.9
Naruto the Movie: Guardians of the Crescent Moon Kingdom
2006 ★ 7.1
Ghost in the Shell: Stand Alone Complex - Solid State Society
2007 ★ 7.5
Kite
1998 ★ 6.6
Demon Slayer: Kimetsu no Yaiba -To the Hashira Training-
2024 ★ 6.5
The Dream Machine
You May Also Like
Pokémon: Destiny Deoxys
2004 ★ 6.6
Crayon Shin-chan: Honeymoon Hurricane ~The Lost Hiroshi~
2019 ★ 7.0
Castle in the Sky
1986 ★ 8.0
Pokémon: Giratina and the Sky Warrior
2008 ★ 6.8
Digimon Adventure: Last Evolution Kizuna
2020 ★ 8.1
That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond
2022 ★ 7.4
The SpongeBob Movie: Search for SquarePants
2025 ★ 6.8
Pokémon: Arceus and the Jewel of Life
2009 ★ 7.1
The Land Before Time IX: Journey to Big Water
2002 ★ 6.3
One Piece: Episode of Skypiea
2018 ★ 7.2
Hurricane Touchdown
2000 ★ 6.9
Pokémon the Movie: I Choose You!
2017 ★ 7.1
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
2026 ★ 8.3
Children of the Sea
2019 ★ 7.1
More Animation Movies
Toy Story 5
2026 ★ 8.3
Minions & Monsters
2026 ★ 7.6
Avatar Aang: The Last Airbender
2026 ★ 9.2
Zootopia 2
2025 ★ 7.7
The Super Mario Galaxy Movie
2026 ★ 8.2
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025 ★ 8.8
Spider-Man: Across the Spider-Verse
2023 ★ 8.3
Toy Story
1995 ★ 8.0
Hoppers
2026 ★ 8.2
Spider-Man: Into the Spider-Verse
2018 ★ 8.4
Monsters, Inc.
2001 ★ 7.9
The Wild Robot
2024 ★ 8.3
Zootopia
2016 ★ 7.8
Coco
2017 ★ 8.2
More with Wasabi Mizuta
Doraemon the Movie: Nobita's Art World Tales
2025 ★ 8.1
Doraemon: Nobita's New Great Adventure Into the Underworld - The Seven Magic Users
2007 ★ 7.2
Stand by Me Doraemon
2014 ★ 7.4
One Piece Film: Strong World
2009 ★ 7.4
Doraemon: Nobita's Chronicle of the Moon Exploration
2019 ★ 7.3
Doraemon: Nobita and the New Steel Troops: Winged Angels
2011 ★ 7.4
Doraemon: Nobita's Dinosaur
2006 ★ 7.4
Doraemon: Nobita's New Dinosaur
2020 ★ 7.3
Doraemon: Nobita's Treasure Island
2018 ★ 7.0
Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi
2017 ★ 6.5
Doraemon the Movie: Nobita's Sky Utopia
2023 ★ 7.1
Pokémon the Movie: Kyurem vs. the Sword of Justice
2012 ★ 6.4
Doraemon: Nobita's Great Battle of the Mermaid King
2010 ★ 6.8
Doraemon: Nobita and the Birth of Japan
2016 ★ 6.8
More from Tetsuo Yajima
Trending Now
Mayday
2026 ★ 7.7
The Runner
2026 ★ 6.5
The Odyssey
2026 ★ 8.0
Obsession
2026 ★ 8.2
Coyote vs. Acme
2026 ★ 7.6
Spider-Man: Brand New Day
2026 ★ 7.9
The Whisper Man
2026 ★ 6.8
Backrooms
2026 ★ 7.1
Mutiny
2026 ★ 6.4
Just Play Dead
2026 ★ 6.6
Supergirl
2026 ★ 6.7
Buddy
2026 ★ 8.3
Project Hail Mary
2026 ★ 8.6
LEGO Star Wars: The Mandalorian
2026 ★ 7.3
Popular This Week
Shape of My Heart
2024 ★ 5.2
Colony
2026 ★ 8.1
The Last Sunrise
2026 ★ 6.6
Toxic: A Fairy Tale for Grown-ups
2026 ★ 8.0
Facing El Chapo
2026 ★ 8.8
Ghost in the Cell
2026 ★ 7.0
Rage of Stars
2026 ★ 6.0
Above & Below
2026 ★ 6.3
Moana
2026 ★ 6.2
Pinocchio: Unstrung
2026 ★ 6.7
Batman: Knightfall Part 1: Knightfall
2026 ★ 9.1
Explore related titles
Frequently Asked Questions
Where can I watch Doraemon the Movie: New Nobita and the Castle of the Undersea Devil online for free?
You can watch Doraemon the Movie: New Nobita and the Castle of the Undersea Devil (2026) online for free in HD on FreeFlix. No signup or subscription is required — just open this page and click play.
Is Doraemon the Movie: New Nobita and the Castle of the Undersea Devil available in HD?
Yes. FreeFlix offers Doraemon the Movie: New Nobita and the Castle of the Undersea Devil in full HD with multiple mirror sources, so if one source is slow you can switch in one click.
What is Doraemon the Movie: New Nobita and the Castle of the Undersea Devil about?
Nobita and friends finds a secret underwater castle packed with mysteries and riches. With Doraemon's high-tech gadgets, they dive into an ocean adventure mixing humor, teamwork, and imagination in a breathtaking aquatic world.
Do I need to register or pay?
No. FreeFlix is completely free, with no registration, account, credit card, or hidden charges.