Movies Like Planetary Giants

If you liked Planetary Giants (1966), a comedy and science fiction movie directed by Alfredo B. Crevenna, 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
Relax, I'm from the Future (2023)
★ 5.9/10Also comedy and science fiction
Casper is a time traveller who arrives in the 2020s in an attempt to prevent a major future catastrophe. He meets Holly, a queer black woman he befriends and draws into his plan by giving her his knowledge of the…
2
Real Men (1987)
★ 6/10Also comedy and science fiction
A womanizing CIA agent and an insecure insurance agent are paired together to make sure a deal goes through with aliens for the future of mankind.
3
Afterburn (2025)
★ 6.2/10Also science fiction and comedy
Set against the backdrop of a postapocalyptic Earth whose Eastern Hemisphere was destroyed by a massive solar flare, leaving what life remains mutated from radiation and fallout. The story revolves around a group of…
4
Power Rangers Samurai: Clash of the Red Rangers - The Movie (2011)
★ 7.4/10Also comedy and science fiction
The Samurai Rangers team up with the mysterious RPM Ranger Red to fight off Master Xandred's Mooger army and a robotic supervillain from the RPM Ranger's dimension. But when both Red Rangers get struck with hypnobolts…
5
Secret Society of Second-Born Royals (2020)
★ 6.6/10Also comedy and fantasy
A rebellious teenage princess discovers she has superhuman abilities and joins a secret society of extraordinary second-born royals tasked with protecting the world.
6
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…
7
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…
8
Long Distance (2024)
★ 6.6/10Also science fiction and comedy
After crash-landing on an alien planet, an asteroid miner must contend with the challenges of his new surroundings, while making his way across the harsh terrain to the only other survivor – a woman who is trapped in…
9
The Bed Sitting Room (1969)
★ 5.9/10Also comedy and science fiction
In the hazy aftermath of World War III, the fallout from a 'nuclear misunderstanding' is producing strange mutations amongst the survivors, and the noble Lord Fortnum finds himself transforming into a bed sitting room.
10
Sleeper (1973)
★ 6.8/10Also comedy and science fiction
Miles Monroe, a clarinet-playing health food store proprietor, is revived out of cryostasis 200 years into a future world in order to help rebels fight an oppressive government regime.
11
The Adam Project (2022)
★ 7/10Also science fiction and comedy
After accidentally crash-landing in 2022, time-traveling fighter pilot Adam Reed teams up with his 12-year-old self on a mission to save the future.
12
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…
13
Barbarella (1968)
★ 6/10Also science fiction and comedy
In the far future, a highly sexual woman is tasked with finding and stopping the evil Durand-Durand. Along the way she encounters various unusual people.
14
Chaos Walking (2021)
★ 6.5/10Also fantasy and science fiction
Two unlikely companions embark on a perilous adventure through the badlands of an unexplored planet as they try to escape a dangerous and disorienting reality, where all inner thoughts are seen and heard by everyone.
15
LEGO Star Wars Terrifying Tales (2021)
★ 6.8/10Also science fiction and comedy
Poe Dameron and BB-8 must face the greedy crime boss Graballa the Hutt, who has purchased Darth Vader’s castle and is renovating it into the galaxy’s first all-inclusive Sith-inspired luxury hotel.
16
Slumberland (2022)
★ 7.2/10Also comedy and fantasy
A young girl discovers a secret map to the dreamworld of Slumberland, and with the help of an eccentric outlaw, she traverses dreams and flees nightmares, with the hope that she will be able to see her late father again.
17
Mickey 17 (2025)
★ 6.8/10Also science fiction and comedy
Unlikely hero Mickey Barnes finds himself in the extraordinary circumstance of working for an employer who demands the ultimate commitment to the job… to die, for a living.
18
Kermit's Swamp Years (2002)
★ 5.8/10Also fantasy and comedy
At 12 years old, Kermit the Frog and best friends Goggles and Croaker travel outside their homes in the swamps of the Deep South to do something extraordinary with their lives.
19
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…
20
Phineas and Ferb the Movie: Candace Against the Universe (2020)
★ 7.2/10Also science fiction and comedy
Phineas and Ferb travel across the galaxy to rescue their older sister Candace, who has been abducted by aliens and taken to a utopia in a far-off planet, free of her pesky little brothers.