Movies Like Halloween Under the Sea

If you liked Halloween Under the Sea (2022), a movie directed by Barry Markle, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Enola Holmes (2020)
★ 7.2/10
While searching for her missing mother, intrepid teen Enola Holmes uses her sleuthing skills to outsmart big brother Sherlock and help a runaway lord.
2
Timmy Failure: Mistakes Were Made (2020)
★ 6.2/10
An 11-year old boy believes that he is the best detective in town and runs the agency Total Failures with his best friend, an imaginary 1,200 pound polar bear.
3
Enola Holmes 3 (2026)
★ 6.7/10
Adventure follows detective Enola Holmes to Malta, where her plans to tie the knot unravel when Sherlock's disappearance plunges her into a perilous case.
4
The Sheep Detectives (2026)
★ 7.9/10
George Hardy is a shepherd who reads detective novels to his beloved sheep every night, assuming they can't possibly understand. But when a mysterious incident disrupts life on the farm, the sheep realize they must…
5
Sherlock Holmes: A Game of Shadows (2011)
★ 7.1/10
There is a new criminal mastermind at large (Professor Moriarty) and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.
6
Legend of the White Dragon (2026)
★ 6.5/10
Forced to hide in the shadows, fugitive hero Erik Reed must clear his name to reunite with his family. Standing in his way is a mysterious villain obsessed with destroying the White Dragon for good.
7
The Great Mouse Detective (1986)
★ 7/10
When the diabolical Professor Ratigan kidnaps London's master toymaker, the brilliant master of disguise Basil of Baker Street and his trusted sidekick Dawson try to elude the ultimate trap and foil the perfect crime.
8
Enola Holmes 2 (2022)
★ 7.4/10
Enola takes on her first official case as a detective, but to solve the mystery of a missing girl, she'll need help from friends — and brother Sherlock.
9
Scooby-Doo (2002)
★ 6.1/10
When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby…
10
The Thief Lord (2006)
★ 6/10
A tale about two young boys, Prosper and Bo, who flee to Venice after being orphaned and dumped in the care of a cruel auntie. Hiding in the canals and alleyways of the city, the boys are befriended by a gang of young…
11
Scooby-Doo! Abracadabra-Doo (2010)
★ 7.7/10
The gang goes on a trip to check on Velma's younger sister, Madelyn. She's been studying stage magic at the Whirlen Merlin Magic Academy, where apparently there have been sightings of a giant griffin. The gang decides…
12
Who Framed Roger Rabbit (1988)
★ 7.5/10
Toon star Roger is worried that his wife Jessica is playing pattycake with someone else, so the studio hires detective Eddie Valiant to snoop on her. But the stakes are quickly raised when Marvin Acme is found dead and…
13
Miss Peregrine's Home for Peculiar Children (2016)
★ 6.8/10
A teenager finds himself transported to an island where he must help protect a group of orphans with special powers from creatures intent on destroying them.
14
Who's Harry Crumb? (1989)
★ 6/10
Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve because his employer is the mastermind behind the kidnapping.
15
The Librarian: Quest for the Spear (2004)
★ 6.3/10
When a magical artifact is lifted from his library, a meek librarian sets out to ensure its safe return.
16
Bright (2017)
★ 6.2/10
In an alternate present-day where magical creatures live among us, two L.A. cops become embroiled in a prophesied turf battle.
17
Welcome to the Punch (2013)
★ 5.9/10
When notorious criminal Jacob Sternwood is forced to return to London, it gives detective Max Lewinsky one last chance to take down the man he's always been after.
18
Murphy's Law (1986)
★ 6.1/10
A tough police detective escapes from custody after being framed and arrested for the murder of his ex-wife, and must now find the real killer and prove his innocence.
19
Scooby-Doo 2: Monsters Unleashed (2004)
★ 6.1/10
A masked villain wreaks mayhem on the city of Coolsville with a monster machine that creates real-life versions of Mystery Inc.'s former foes like The 10,000 Volt Ghost, The Cotton Candy Glob, The Skelemen and The…
20
Shorts (2009)
★ 5.9/10
A young boy's discovery of a colorful, wish-granting rock causes chaos in the suburban town of Black Falls when jealous kids and scheming adults alike set out to get their hands on it.