Movies Like Closet Cases of the Nerd Kind

If you liked Closet Cases of the Nerd Kind (1980), a mystery and comedy movie directed by Rick Harper, 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
Scrat: Spaced Out (2016)
★ 6.3/10Also science fiction and comedy
In the main events of Ice Age: Collision Course, Scrat is captured by Scratazons who take away his acorn. Now, Scrat must rescue his Acorn and escape before the aliens can catch him.
2
No Time for Nuts (2006)
★ 7.4/10Also comedy and science fiction
Scrat comes across a time machine and is transported to various times all in pursuit of his beloved acorn.
3
Henry Danger: The Movie (2025)
★ 7.7/10Also comedy and science fiction
Henry Hart meets a superfan—eager to fight crime with Kid Danger—who comes into possession of a device that can open up alternate realities. Facing a wild ride, Henry will need his best friend Jasper and his new…
4
The Man in the White Suit (1951)
★ 6.9/10Also comedy and science fiction
The unassuming, nebbishy inventor Sidney Stratton creates a miraculous fabric that will never be dirty or worn out. Clearly he can make a fortune selling clothes made of the material, but may cause a crisis in the…
5
Groot's Pursuit (2022)
★ 7/10Also comedy and science fiction
Groot investigates a spooky noise that’s been haunting the Quadrant, which leads to an intense dance off.
6
Mooned (2023)
★ 6.5/10Also comedy and science fiction
Villainous Vector must figure out how to get off the moon and return to Earth.
7
Scooby-Doo! Mecha Mutt Menace (2013)
★ 8.2/10Also comedy and mystery
Mecha Mutt, a revolutionary remote-controlled lunar rover resembling a large canine, goes rogue at Houston's Annual Science Expo. Scooby-Doo! Mecha Mutt Menace is the fourth in a series of direct-to-video short films.
8
A.R.C.H.I.E. (2016)
★ 6/10Also science fiction and comedy
A recently orphaned 15-year-old who has moved to a small town to live with her uncle befriends a robotic canine with super strength, x-ray vision and the ability to talk and the pair take on a military complex…
9
The Little Guy (2022)
★ 7.3/10Also comedy and science fiction
Groot discovers a miniature civilization that believes the seemingly enormous tree toddler is the hero they’ve been waiting for.
10
Scooby-Doo! Curse of the Lake Monster (2010)
★ 6.2/10Also mystery and comedy
Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy have taken on seasonal jobs to pay for a barn they…
11
Groot's First Steps (2022)
★ 7/10Also comedy and science fiction
Following the events of “Guardians of the Galaxy Vol. 1,” Baby Groot is finally ready to try taking his first steps out of his pot—only to learn you have to walk before you can run.
12
Groot Takes a Bath (2022)
★ 7.1/10Also comedy and science fiction
Everybody needs some alone time to relax and wash up, but things go quite differently when you’re a Flora Colossi toddler.
13
LEGO Marvel Avengers: Mission Demolition (2024)
★ 6.5/10Also comedy and science fiction
A young, aspiring hero and superhero fan inadvertently unleashes a powerful new villain looking to rid the world of the Avengers.
14
Planet 51 (2009)
★ 5.9/10Also comedy and science fiction
When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an…
15
Psych: The Movie (2017)
★ 7.2/10Also comedy and mystery
The ambitious friends come together during the holidays after a mystery assailant targets one of their own. A comedic thrill-ride follows, as the wild and unpredictable Psych team pursues the bad guys, justice … and…
16
Scooby-Doo! The Sword and the Scoob (2021)
★ 7.5/10Also comedy and mystery
An evil sorceress transports the gang back to the age of chivalrous knights, spell-casting wizards, and fire-breathing dragons.
17
Magnum Opus (2022)
★ 7.2/10Also science fiction and comedy
Groot sets out to paint a family portrait of himself and the Guardians, only to discover just how messy the artistic process can be.
18
Timmy Failure: Mistakes Were Made (2020)
★ 6.2/10Also comedy and mystery
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.
19
Invader Zim: Enter the Florpus (2019)
★ 7.4/10Also comedy and science fiction
ZIM discovers his almighty leaders never had any intention of coming to Earth and he loses confidence in himself for the first time in his life, which is the big break his human nemesis, Dib has been waiting for.
20
Dark Star (1974)
★ 6/10Also comedy and science fiction
A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to…