Movies Like The Secret of the Third Planet

If you liked The Secret of the Third Planet (1981), a animation and science fiction movie directed by Roman Kachanov, 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
Titan A.E. (2000)
★ 6.6/10Also animation and science fiction
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.
2
Planet 51 (2009)
★ 5.9/10Also animation and family
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…
3
Mass Effect: Paragon Lost (2012)
★ 6.2/10Also animation and science fiction
An untold chapter in the Mass Effect saga, following the early career of Alliance Marine, James Vega, as he leads a squad of elite special forces into battle against a mysterious alien threat known as The Collectors…
4
The Adventures of Buckaroo Banzai Across the 8th Dimension (1984)
★ 6/10Also science fiction and adventure
Adventurer/surgeon/rock musician Buckaroo Banzai and his band of men, the Hong Kong Cavaliers, take on evil alien invaders from the 8th dimension.
5
Serenity (2005)
★ 7.4/10Also science fiction and adventure
A group of rebels travel the outskirts of space evading the sinister Alliance regime. Their lives of smuggling and cargo-running are interrupted by a psychic passenger who harbours a dangerous secret. Soon, the crew…
6
Spaceman (2024)
★ 6.7/10Also science fiction and adventure
Six months into a solo mission, a lonely astronaut confronts the cracks in his marriage with help from a mysterious creature he discovers on his ship.
7
Futurama: The Beast with a Billion Backs (2008)
★ 7/10Also animation and science fiction
Fresh off ripping space-time a new one at the end of "Bender's Big Score," the Planet Express crew is back to mend the tear in reality, or (hopefully) at least not make it worse. Beyond the tear, though, lurks a being…
8
LEGO Star Wars: The Mandalorian (2026)
★ 6.7/10Also animation and science fiction
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.
9
Star Trek: Insurrection (1998)
★ 6.5/10Also science fiction and adventure
When an alien race and factions within Starfleet attempt to take over a planet that has "regenerative" properties, it falls upon Captain Picard and the crew of the Enterprise to defend the planet's people as well as…
10
Solo: A Star Wars Story (2018)
★ 6.6/10Also science fiction and adventure
Through a series of daring escapades deep within a dark and dangerous criminal underworld, Han Solo meets his mighty future copilot Chewbacca and encounters the notorious gambler Lando Calrissian.
11
Ben 10 vs. the Universe: The Movie (2020)
★ 7.4/10Also animation and adventure
A blast from Ben's past returns to do double the damage on Team Tennyson and planet Earth itself, forcing Ben to go interstellar to save the day. Based on the 2016 reboot.
12
Robotech: The Shadow Chronicles (2006)
★ 6.7/10Also adventure and animation
In the year 2044 AD, the human race has amped-up its space exploration and reached out to the stars through the miracle of ROBOTECHNOLOGY, but not without bringing intergalactic war upon the Earth itself. Heroes will…
13
Regular Show: The Movie (2015)
★ 7.9/10Also animation and science fiction
After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.
14
Starship Troopers: Invasion (2012)
★ 5.9/10Also animation and science fiction
The troopers of two starships have joined forces to terminate a massive bug attack at a Federation outpost. Before the mission can be completed and the survivors evacuated, one ship abruptly departs and goes…
15
Star Trek: Generations (1994)
★ 6.5/10Also science fiction and adventure
Captain Jean-Luc Picard and the crew of the Enterprise-D find themselves at odds with the renegade scientist Soran who is destroying entire star systems. Only one man can help Picard stop Soran's scheme...and he's been…
16
Guardians of the Galaxy (2014)
★ 7.9/10Also science fiction and adventure
Light years from Earth, 26 years after being abducted, Peter Quill finds himself the prime target of a manhunt after discovering an orb wanted by Ronan the Accuser.
17
Star Trek Into Darkness (2013)
★ 7.3/10Also adventure and science fiction
When the crew of the Enterprise is called back home, they find an unstoppable force of terror from within their own organization has detonated the fleet and everything it stands for, leaving our world in a state of…
18
Babylon 5: The River of Souls (1998)
★ 6.4/10Also science fiction and adventure
A group of Soul Hunters come to Babylon 5 demanding the return of something that was stolen from them.
19
Phineas and Ferb the Movie: Candace Against the Universe (2020)
★ 7.2/10Also family and animation
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.
20
Star Trek Beyond (2016)
★ 6.8/10Also adventure and science fiction
The USS Enterprise crew explores the furthest reaches of uncharted space, where they encounter a mysterious new enemy who puts them and everything the Federation stands for to the test.