Movies like Doraemon the Movie: New Nobita and the Castle of the Undersea Devil (2026)

Name: Doraemon the Movie: New Nobita and the Castle of the Undersea Devil
Released: 2026

10 films to watch after Doraemon the Movie: New Nobita and the Castle of the Undersea Devil, ranked by how well they match its tone — not just its genre.

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.

1

Ponyo (2008)

Fit 69%

Shares Animation, Fantasy and Family with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

When Sosuke, a young boy who lives on a clifftop overlooking the sea, rescues a stranded goldfish named Ponyo, he discovers more than he bargained for. Ponyo is a curious, energetic young creature who yearns to be human, but even as she causes chaos around the house, her father, a powerful sorcerer, schemes to return Ponyo to the sea.
2

Castle in the Sky (1986)

Fit 68%

Shares Adventure, Fantasy, Animation and Family with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle.
3

Children of the Sea (2019)

Fit 66%

Shares Animation, Fantasy and Adventure with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

Ruka is a young girl whose parents are separated and whose father works in an aquarium. When two boys, Umi and Sora, who were raised in the sea by dugongs, are brought to the aquarium, Ruka feels drawn to them and begins to realize that she has the same sort of supernatural connection to the ocean that they do. Umi and Sora's special power seems to be connected to strange events that have been occurring more and more frequently, such as the appearance of sea creatures far from their home territory and the disappearance of aquarium animals around the world. However, the exact nature of the boys' power and of the abnormal events is unknown, and Ruka gets drawn into investigating the mystery that surrounds her new friends.
4

Moana (2016)

Fit 65%

Shares Adventure, Family and Animation with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

In Ancient Polynesia, when a terrible curse incurred by Maui reaches an impetuous Chieftain's daughter's island, she answers the Ocean's call to seek out the demigod to set things right.
5

Children Who Chase Lost Voices (2011)

Fit 62%

Shares Animation, Adventure, Fantasy and Family with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

The film centers on Asuna, a young girl who spends her solitary days listening to the mysterious music emanating from the crystal radio she received from her late father as a memento. One day while walking home she is attacked by a fearsome monster and saved by a mysterious boy named Shun. However, Shun disappears and Asuna embarks on a journey of adventure to the land of Agartha with her teacher Mr. Morisaki to meet a Shun again. Through her journey she comes to know the cruelty and beauty of the world, as well as loss.
6

Made in Abyss: Journey's Dawn (2019)

Fit 54%

Shares Animation, Adventure and Fantasy with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

First compilation movie of the TV series which covers episodes 1-8 with new scenes added for the introduction. It covers the period from when Riko descends into the Abyss with her robot companion Reg, reaching the second layer where they meet the White Whistle Ozen who reveals information about Riko's mother.
7

The Land Before Time (1988)

Fit 51%

Shares Family, Animation and Adventure with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

An orphaned brontosaurus named Littlefoot sets off in search of the legendary Great Valley. A land of lush vegetation where the dinosaurs can thrive and live in peace. Along the way he meets four other young dinosaurs, each one a different species, and they encounter several obstacles as they learn to work together in order to survive.
8

That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022)

Fit 49%

Shares Animation, Fantasy and Adventure with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

A long-running conspiracy is swirling over a mysterious power wielded by the Queen in Raja, a small country west of Tempest. When a slime who evolved into a Demon Lord named Rimuru Tempest crosses paths with Hiiro, a survivor of the Ogre race, an incredible adventure packed with new characters begins. The power of bonds will be put to the test!
9

Forgotten Island (2026)

Fit 49%

Shares Animation, Adventure, Fantasy and Family with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

While celebrating their last night together, high school graduates and best friends Jo and Raissa stumble upon a mysterious portal that transports them to the fantastical island of Nakali. When they discover that the memories of their entire friendship are the price for returning home, Jo and Raissa must race to find a way to leave the island before they forget each other forever.
10

The SpongeBob Movie: Search for SquarePants (2025)

Fit 48%

Shares Adventure, Family, Animation and Fantasy with Doraemon the Movie: New Nobita and the Castle of the Undersea Devil.

Desperate to be a big guy, SpongeBob sets out to prove his bravery to Mr. Krabs by following The Flying Dutchman – a mysterious swashbuckling ghost pirate – on a seafaring adventure that takes him to the deepest depths of the deep sea, where no Sponge has gone before.