Genres
Sci-Fi Anime from 2003
43 sci-fi anime that aired in 2003, ranked by score.
- 1
Planetes8.2TV · 26 ep · fall
In 2075, space travel is no longer just a dream, but an everyday reality for mankind. Advancements in science and technology have led to the colonization of the moon, the…
- 2
Gungrave7.8TV · 26 ep · fall
Brandon Heat and Harry MacDowel, two friends so close they could be called brothers, receive an abrupt and violent reminder one fateful day of how appallingly merciless the…
- 3
Last Exile7.8TV · 26 ep · spring
In the world of Prester, flight is the dominant mode of transportation, made possible by Claudia Fluid: a liquidized form of the crystals that are produced on the planet.
- 4
Texhnolyze7.8TV · 22 ep · spring
In the dark underground city of Lux, people live in fear and despair under the rule of various criminal factions.
- 5

TV · 52 ep · fall
The story is set in the 22nd century where space travel, planet colonization and anti-gravity basketball are practically everyday things.
- 6

TV · 26 ep · fall
Anita King, Maggie Mui, and Michelle Cheung are the Paper Sisters. They run the Three Sisters Detective Agency in Hong Kong which is dedicated to solving cases involving books.
- 7

TV · 76 ep · fall
In a futuristic world, the Maruhage Empire is a militant organization out to steal everyone's hair, and thus their freedom.
- 8

TV · 13 ep · fall
In the heart of Italy, the Social Welfare Agency rescues young girls from hospital beds and gives them a second chance at life using the latest in cybernetic advancements.
- 9

TV · 24 ep · spring
Born to the royal family, Pacifica Casull has earned the nickname "Scrapped Princess" after an apocalyptic prophecy foretells her destroying the world on her 16th birthday.
- 10
Twin Spica7.4TV · 20 ep · fall
When Kamogawa Asumi was just a baby, her mother was grievously injured when a rocket crashed to the ground.
- 11
Stellvia7.3TV · 26 ep · spring
In the year 2167, a wave of radiation released by the supernova of the nearby star Hydrus Beta caused cataclysmic damage on Earth, leaving millions dead.
- 12

TV · 51 ep · fall
Netto's father Yuuichirou Hikari has made a scientific breakthrough by introducing the "synchro chips". If an operator and his or her navi are in a special enviroment known as a…
- 13

TV · 50 ep · spring
At the Ministry of Science, fervent Professor Ochanomizu alongside his coworkers strive to reactivate Atom—the first robot with a human heart.
- 14

TV · 26 ep · fall
In the distant future, trains are no longer bound by their physical tracks. Instead, they take to the skies and travel across the universe on the Galaxy Railways, transporting…
- 15

TV · 104 ep · spring
Di Gi Charat (a.k.a. Dejiko) - along with Petit Charat (a.k.a. Puchiko) and Gema - travels to Earth as part of her training to become a full-fledged princess.
- 16

TV · 52 ep · winter
After keeping their BitBeasts out of harm's way, a new world championship tournament is announced, but the defending champions can't all be on the same team.
- 17

TV · 12 ep · fall
Valkyrie, Kazuto, Akina, Hydra, and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings.
- 18

TV · 53 ep · winter
In the future, age is not a factor to determine whether someone can perform a certain task or not, but special talent and training.
- 19

TV · 15 ep · fall
Battle Programmer Shirase, also known as BPS, is a free programmer with super hacking abilities who doesn't work for money.
- 20

TV · 52 ep · winter
On the mechanical planet of Cybertron live super robotic organisms known as Transformers. There, mainly consisting of convoys, the Cybertron army, and their old enemy Destron…
- 21

TV · 12 ep · summer
Maiku Kamishiro's past has always been somewhat of a mystery to him. The only clue he has to who his family might be is an old photograph showing two young children, a boy and a…
- 22
Dokkoida?!6.8TV · 12 ep · summer
The Galaxy Federation Police (GFP) desperately wants to cover-up its personnel shortage with new mechanized power-suits. Suzuo, 19-years old, desperately needs a job.
- 23

TV · 12 ep · winter
It began in 1945, at the end of the Pacific War. Alien invaders filled the earth's Skies, and mankind was forced to confront an unprecedented threat.
- 24
Gad Guard6.7TV · 26 ep · spring
Several hundred years in the future, the resources of the Earth runs out, and the progression of the human race has stagnated.
- 25
Sonic X6.6TV · 78 ep · spring
Sonic the Hedgehog's typical irreverence leads to the coveted chaos emeralds being caught in the crossfire and rendered unstable just before activation.
- 26

TV · 13 ep · fall
Five years ago, while battling an alien force known as the "Mimesis," Dannar pilot Goh Saruwatari first met Anna Aoi.
- 27
Stratos 46.6TV · 13 ep · winter
In the early 21st century, Earth has come under threat from giant comets. In response, the United Nations institutes the Cosmic Emergency Management Agency (CEMA) and…
- 28
Gilgamesh6.6TV · 26 ep · fall
In an attempt to gather information on immortality, scientists from around the world have assembled to study "Heaven's Gate"—the tomb turned laboratory of the mythical king…
- 29

TV · 26 ep · spring
Kai, who has powers different from the rest, together with his sickly sister Hikaru was protected by an organization called ASHURUM. Scouted by Eiji, Kai was delegated to the…
- 30

TV · 12 ep · spring
Meet Narue, an adorable schoolgirl with a secret. She's really an alien with powers right out of a sci-fi comic!
- 31

TV · 51 ep · fall
Rick Wheeler was a police detective who got into a fatal car accident while pursuing the criminal Zoda. He was placed into artificial coldsleep for 150 years.
- 32

TV · 5 ep · summer
In the year 2035, Team Suzaku and Team Sledge Mamma are preparing to meet in the final round of the 12th Immortal Grand-1 Prix (IG1 or IGPX). Takeshi leads Team Suzaku, which is…
- 33

TV · 13 ep · spring
Dr. Oki , the genius scientist who designed a new type of submarine is missing. His son, Susumu, smells an evil scheme of unknown group.
- 34
Zentrix6.3TV · 26 ep · spring
The series is set in Zentrix City, a seemingly "perfect" city. Emperor Jarad is a scientist who with the help of scientists Dr. Roark and Dr.
- 35

TV · 52 ep · spring
According to the legend, the once peaceful "Pluster World" plunged into chaos and darkness due to the manifestation of the evil MINASUTA. At that time, selected Plusters were…
- 36

TV · 12 ep · spring
Genius scientist Tsukumo Susumu knows each and every single theory behind aerodynamics that exists on earth despite being only 13 years old.
- 37

TV · 52 ep · spring
In a raving world, legendary knights stood up. Will they become gods of war or world saviors?
- 38

TV · 13 ep · summer
During her summer holiday at her grandparents house Tamai Shiina, a young and cheerful schoolgirl, meets a strange looking creature.
- 39

TV · 13 ep · summer
In the 24th Century, Intergalactic Space Travel has become a reality. One of the first outposts in the far reaches of space is WATCHER'S NEST - an inflation hole drive portal -…
- 40
Avenger5.9TV · 13 ep · fall
Mars has been colonized and is a world where children have been replaced by robot servants known as "dolls." Layla is a skilled fighter with a tragic past who travels about the…
- 41

TV · 26 ep · winter
One fine day, a robot by the name of "Digi-girl" fell from the sky and landed near the nail-saloon operated by Nails, a nail-artist who likes all things pretty.
- 42
Firestorm5.4TV · 26 ep · spring
It is the year 2104 AD. The terrible war is over and peace seemed close in the world. However, there is one thing that can bring down this peace.
- 43
Barom 15.2TV · 13 ep · winter
Takeshi Kido and Kentaro Shiratori are a pair of friends who have been together for almost their entire life.