Movies Like Spaceship to the Unknown

If you liked Spaceship to the Unknown (1966), a tv movie and science fiction movie directed by Frederick Stephani and Ray Taylor, 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
Flash Gordon (1980)
★ 6.3/10Also science fiction and adventure
A football player and his mates travel to the planet Mongo and find themselves fighting the tyranny of Ming the Merciless to save Earth.
2
Titan A.E. (2000)
★ 6.6/10Also science fiction and adventure
A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.
3
Flash Gordon (1936)
★ 6.4/10Also science fiction and action
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily…
4
Ben 10: Secret of the Omnitrix (2007)
★ 7.5/10Also science fiction and tv movie
After a battle with Dr. Animo in a power plant, Ben notices something strange is happening with the Omnitrix but doesn't tell anyone. Tetrax arrives and tells them the Omnitrix is broadcasting a self-destruct signal…
5
Bionic Showdown: The Six Million Dollar Man and the Bionic Woman (1989)
★ 6.6/10Also action and science fiction
The Bionic Woman and the Six-Million-Dollar Man reunite--with a few younger bionic assistants--and try to catch a bionic spy.
6
LEGO Star Wars: The Mandalorian (2026)
★ 6.7/10Also science fiction and adventure
The Mandalorian and Grogu join their misfit allies for an epic party, celebrating their heroism. As friends regale the crowd with tales of their adventures, a pirate threat looms.
7
Star Wars Rebels: Spark of Rebellion (2014)
★ 7.3/10Also adventure and action
It is a dark time. The Jedi are no more, and the Empire rules the galaxy with an iron fist -- bringing tyranny to the Outer Rim world of Lothal. Their ominous presence is a cloud over the planet, squashing any hope of…
8
Hey Arnold! The Jungle Movie (2018)
★ 7.6/10Also adventure and tv movie
When their trip to San Lorenzo takes a turn for the worst, Arnold and his classmate’s only hope of getting home is retracing the dangerous path that led to Arnold's parents' disappearance.
9
Phineas and Ferb the Movie: Across the 2nd Dimension (2011)
★ 7.1/10Also action and adventure
Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the tri-state area. They must find a way back home with the help of their pet platypus named Perry, who they discover is a…
10
The Transformers: The Movie (1986)
★ 7.2/10Also science fiction and action
The Autobots must stop a colossal planet-consuming robot who goes after the Autobot Matrix of Leadership. At the same time, they must defend themselves against an all-out attack from the Decepticons.
11
Babylon 5: The Legend of the Rangers - To Live and Die in Starlight (2002)
★ 6/10Also science fiction and adventure
After being punished for retreat from combat, Ranger David Martel is given command of the Liandra, a haunted 20-year old Minbari fighting ship. He's escorting ambassadors to a secret archaeological site, the oldest…
12
Transformers: Rise of the Beasts (2023)
★ 7.1/10Also science fiction and adventure
When a new threat capable of destroying the entire planet emerges, Optimus Prime and the Autobots must team up with a powerful faction known as the Maximals. With the fate of humanity hanging in the balance, humans…
13
Clash of the Thundermans (2026)
★ 6.6/10Also tv movie and action
When Chloe develops a destructive new superpower, the Hero League orders her to an elite boarding school for superheroes to learn control of her abilities. Faced with the prospect of sending Chloe away for years, the…
14
PAW Patrol: Mighty Pups (2018)
★ 7.5/10Also adventure and action
When their latest scheme goes awry, Mayor Humdinger and his nephew Harold accidentally divert a meteor towards Adventure Bay. The meteor's golden energy grants the PAW Patrol superpowers. The heroic Mighty Pups are on…
15
The Suite Life Movie (2011)
★ 6.1/10Also adventure and science fiction
Cody and Zack are approached to join the Gemini Project, a high-tech research center studying the dynamics between twins. Shockingly, they find themselves interconnected in a whole new way! When one twin experiences…
16
F.R.E.D.I. (2018)
★ 5.9/10Also science fiction and adventure
An intelligent, lovable robot known as "F.R.E.D.I." is stolen from a secret research facility by the project's lead scientist. The robot is found by a 15 year old teenager, James. Soon the two begin to communicate and…
17
Babylon 5: In the Beginning (1998)
★ 7.1/10Also action and science fiction
Londo Mollari, the Centauri Emperor, recounts the initial contact between the Humans and Minbari, which resulted in a major incident and subsequent war, for an eager pair of youngsters wanting a story about love and…
18
Girl vs. Monster (2012)
★ 6.4/10Also tv movie and science fiction
Skylar finds out that her parents are monster hunters after she accidentally releases some monsters from a secret containment chamber; so she and her techno friends must recapture all the monsters and also save her mom…
19
Starchaser: The Legend of Orin (1985)
★ 6.3/10Also adventure and science fiction
Set on the subterranean Mine-World, a band of human worker are treated like slaves under the power of the evil overlord Zygon until one, Orin, unearths the hilt of a mythical sword that only he can master. Escaping the…
20
The Man in the Iron Mask (1977)
★ 6.4/10Also adventure and tv movie
Years have passed since the Three Musketeers, Aramis, Athos and Porthos, have fought together with their friend, D'Artagnan. But with the tyrannical King Louis using his power to wreak havoc in the kingdom while his…