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All Episodes of Space Brothers

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When they were young, the brothers Mutta and Hibito promised each other they would become astronauts. Now, in 2025, Hibito has followed his dream to...
Genres:AnimationDramaSci-Fi & Fantasy
Networks:Nippon TVYTV
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Season 1

  • Little Brother Hibito and Big Brother Mutta
    7.9/1028 votes
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    Little Brother Hibito and Big Brother Mutta

    Season 1 Episode 1 - Aired 3/31/2012

    The year 2006. Two brothers, Nanba Mutta (age 12) and Hibito (age 9), happen to spot a UFO headed for the moon. The experience inspires them to make a certain promise.

    Director: Hiroshi Kugimiya

    Writer: Makoto Uezu

  • My Shining Star
    7.8/1024 votes
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    My Shining Star

    Season 1 Episode 2 - Aired 4/7/2012

    With his mother's assistance and Hibito's encouragement, Mutta has been accepted for the New Astronaut Selection Exam. However, unsure of his next step, he visits Sharon, who works at a nearby observatory. After receiving advice from Sharon, Mutta is finally able to make up his mind.

    Director: Hisatoshi Shimizu

    Writer: Makoto Uezu

  • The Man with the Advantage and the Running Female Doctor
    8.0/1022 votes
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    The Man with the Advantage and the Running Female Doctor

    Season 1 Episode 3 - Aired 4/14/2012

    After advancing to the second exam, Mutta realizes that the other applicants are much better prepared than he is. Desperate to prove himself, he stakes everything on the lung capacity test, as he has confidence in his trumpet-trained lungs. However, as the other applicants drop out, he finds himself in a heated battle with Itou Serika. Who will come out on top?

    Director: Daiji Suzuki

    Writer: Makoto Uezu

  • Next to Hibito
    8.2/1023 votes
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    Next to Hibito

    Season 1 Episode 4 - Aired 4/21/2012

    After a long week, only the final interview remains in the second JAXA exam. Mutta is drawing attention as Nanba Hibito's older brother, but he insists he won't spend his entire life as Nanba Hibito's big brother.

    Director: N/A

    Writer: N/A

  • Days of Missing
    8.3/1021 votes
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    Days of Missing

    Season 1 Episode 5 - Aired 4/28/2012

    After completing the second JAXA exam, Hibito invites Mutta for a free trip to Houston, Texas, through NASA's family support program. Upon arrival, he finds himself chased by a pug named Apo, and is then reunited with Hibito. However, Hibito expresses disappointment.

    Director: N/A

    Writer: Toshizo Nemoto

  • Et Cetera in My Head
    8.2/1019 votes
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    Et Cetera in My Head

    Season 1 Episode 6 - Aired 5/5/2012

    Mutta has arrived in America, but he's off to a rocky start with Hibito. Meanwhile, his future as an astronaut is in jeopardy because the headbutt incident has been brought to JAXA's attention.

    Director: N/A

    Writer: N/A

  • Dear Hibito
    8.3/1015 votes
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    Dear Hibito

    Season 1 Episode 7 - Aired 5/12/2012

    After learning that his former boss has told JAXA about the headbutt incident, Mutta has given up hope on passing the exam. To cope, Mutta falls back on his childhood habit of multitasking like crazy when something bad happens.

    Director: Takahiro Harada

    Writer: Toshizo Nemoto

  • Smoky Heaven
    8.5/1019 votes
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    Smoky Heaven

    Season 1 Episode 8 - Aired 5/19/2012

    When the robber known as the fire extinguisher man strikes the restaurant where Mutta is, he's in trouble. But once the dust settles, Mutta has become a national hero for capturing the criminal. However, it appears there's more to the story.

    Director: Tomotaka Shibayama

    Writer: Makoto Uezu

  • Individual Resolve
    8.0/1014 votes
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    Individual Resolve

    Season 1 Episode 9 - Aired 5/26/2012

    After passing the second JAXA exam, Mutta returns to Japan for the third. He's happy about the exam result, but on the flight back, a nightmare leaves him rattled. This is due to the letters from Hibito that he discovered before leaving.

    Director: Hideaki Uehara

    Writer: N/A

  • Running Bus
    8.2/1014 votes
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    Running Bus

    Season 1 Episode 10 - Aired 6/2/2012

    Mutta has learned that Kenji and Serika have strong reasons to become astronauts, while Mutta is simply trying to achieve a childhood dream. This causes Mutta to begin to question himself.

    Director: Daiji Suzuki

    Writer: Toshizo Nemoto

  • Trapped Rivals
    8.1/1015 votes
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    Trapped Rivals

    Season 1 Episode 11 - Aired 6/9/2012

    The third exam will take two weeks. Mutta and the other candidates are transported via sealed bus to a large, barren facility. Then they are led to an area that is known as the last room.

    Director: N/A

    Writer: N/A

  • My Name Is Itou Serika
    8.3/1015 votes
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    My Name Is Itou Serika

    Season 1 Episode 12 - Aired 6/16/2012

    The fifteen remaining candidates have been divided into three teams of five. Each team will spend two weeks inside a sealed box, while completing various tasks. The first task is to determine the time.

    Director: N/A

    Writer: N/A

  • 3-D Ant
    8.0/1015 votes
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    3-D Ant

    Season 1 Episode 13 - Aired 6/23/2012

    The sealed box teams are assigned more tasks. These include Running Math, five minutes of mental math while running, and a typing test. Next, they're asked to write a letter of protest to a journalist who is criticizing government funding for space exploration.

    Director: N/A

    Writer: Toshizo Nemoto

  • Broken Glasses and the Sole of the Foot
    8.1/1014 votes
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    Broken Glasses and the Sole of the Foot

    Season 1 Episode 14 - Aired 6/30/2012

    After five days in their sealed boxes, each team is exhibiting a pronounced personality. Mutta's Team A is rowdy, while Team C is quiet. However, Kenji's Team B appears to be a little gloomy.

    Director: N/A

    Writer: N/A

  • Let's Talk About Space
    8.2/1014 votes
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    Let's Talk About Space

    Season 1 Episode 15 - Aired 7/7/2012

    The exam in the sealed box is halfway over. Mutta's Team A suffered an accident when Fukuda's glasses were broken. But Furuya, the one who broke them, requested a new pair. Meanwhile, Team B must deal with an alarm going off in the middle of the night.

    Director: N/A

    Writer: N/A

  • Alarm, but No Clock
    8.2/1015 votes
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    Alarm, but No Clock

    Season 1 Episode 16 - Aired 7/14/2012

    The third exam is halfway over. Mutta works on a completely white puzzle as he ponders why Fukuda-san would break the only clock in the sealed box.

    Director: Hideaki Uehara

    Writer: Toshizo Nemoto

  • The Culprit Is in the Room
    8.2/1016 votes
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    The Culprit Is in the Room

    Season 1 Episode 17 - Aired 7/21/2012

    The third exam inside the sealed boxes has been underway for ten days. Each team has been experiencing unexpected problems, such as broken clocks and mysterious alarms that ring in the middle of the night. However, Mutta soon realizes who is actually responsible.

    Director: Matsuo Asami

    Writer: N/A

  • Roo-ra! Kenji!
    7.9/1016 votes
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    Roo-ra! Kenji!

    Season 1 Episode 18 - Aired 7/28/2012

    The candidates have only a few days left in the sealed boxes. JAXA has been using green cards to create trouble, gauging each member's ability to respond to stress and trouble.

    Director: Yusuke Kamata

    Writer: Makoto Uezu

  • The Day Before Goodbye
    8.2/1016 votes
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    The Day Before Goodbye

    Season 1 Episode 19 - Aired 8/4/2012

    The teams have two days left in the sealed boxes. Mission Control has deliberately not given certain members of Kenji's Team B any green cards, leading to paranoia. Meanwhile, in Team A, Mutta announces that he has good news, bad news, and dicey news.

    Director: Yasuo Tsuchiya

    Writer: N/A

  • The Worst Possible Punishment
    8.4/1016 votes
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    The Worst Possible Punishment

    Season 1 Episode 20 - Aired 8/11/2012

    It's their final day in the sealed box. Mutta has enjoyed his two weeks with the team, and he wishes to avert ruining their bond, as they make their final decision.

    Director: N/A

    Writer: N/A

  • A Long-Awaited Glimpse of the Sky
    8.1/1014 votes
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    A Long-Awaited Glimpse of the Sky

    Season 1 Episode 21 - Aired 8/18/2012

    With the third exam finally over, Furuya takes the opportunity to visit the man who made his dream possible.

    Director: N/A

    Writer: N/A

  • Working on the Dream
    8.3/1015 votes
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    Working on the Dream

    Season 1 Episode 22 - Aired 9/1/2012

    The third astronaut selection exam has finally ended. Team A used rock-paper-scissors to select two members. Whose dreams are still alive?

    Director: Daiji Suzuki

    Writer: N/A

  • Father, Son, and Mutta Claus
    8.2/1013 votes
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    Father, Son, and Mutta Claus

    Season 1 Episode 23 - Aired 9/8/2012

    Mutta has been picked to go to Houston for the final astronaut selection exam. But because his selection means that Kenji wasn't chosen, he has mixed feelings.

    Director: Shigeru Ueda

    Writer: N/A

  • The Worst Possible Interviewer
    7.8/1013 votes
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    The Worst Possible Interviewer

    Season 1 Episode 24 - Aired 9/15/2012

    The final exam is set to take place in two months. Mutta heads to Houston, ahead of the other candidates to look after Apo and tour the Johnson Space Center. Meanwhile, Hibito is training hard for his lunar mission.

    Director: Hideaki Uehara

    Writer: N/A

  • Sonic Little Brother Training Big Brother
    7.8/1014 votes
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    Sonic Little Brother Training Big Brother

    Season 1 Episode 25 - Aired 9/22/2012

    With the final astronaut selection exam coming up, Mutta heads to Houston. However, Jennifer has some ominous news.

    Director: N/A

    Writer: N/A

  • Painful Interview
    8.3/1013 votes
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    Painful Interview

    Season 1 Episode 26 - Aired 9/29/2012

    Seven days remain before Hibito takes off on a journey to become the first Japanese person to walk on the moon. Meanwhile, Mutta prepares for the final astronaut selection exam at Johnson Space Center.

    Director: N/A

    Writer: N/A

  • One Question
    8.2/1013 votes
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    One Question

    Season 1 Episode 27 - Aired 10/6/2012

    The final NASA interview was a decoy to trick the candidates into relaxing, so the astronauts could evaluate them. However, the candidates have yet to realize this.

    Director: N/A

    Writer: N/A

  • Miracle of Doha
    8.2/1013 votes
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    Miracle of Doha

    Season 1 Episode 28 - Aired 10/13/2012

    With four days before the launch, Mutta and his family arrive at Kennedy Space Center for one last meal with Hibito before he heads into space. Mutta uses this opportunity to hand Hibito a very special DVD-R.

    Director: Tomotaka Shibayama

    Writer: N/A

  • Night Before Launch
    8.0/1012 votes
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    Night Before Launch

    Season 1 Episode 29 - Aired 10/20/2012

    Two days are left before launch. First, the lunar lander Artemis goes into space on Mars V. Afterwards, Hibito and the rest of the crew will head into space on Mars I.

    Director: Matsuo Asami

    Writer: N/A

  • Dog, Old Man, and Alexander
    8.3/1014 votes
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    Dog, Old Man, and Alexander

    Season 1 Episode 30 - Aired 10/27/2012

    It's finally the day of the launch, but the weather doesn't look good. On top of that, Apo's run off, so Mutta has to go find him. While searching for Apo, Mutta comes across a suspicious old man.

    Director: N/A

    Writer: N/A

  • Rocket Road
    8.2/1013 votes
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    Rocket Road

    Season 1 Episode 31 - Aired 11/3/2012

    Mutta, Apo, and the strange old man watch as Hibito launches off into space. Afterwards, Mutta reminisces about the road taken by Hibito to reach this point.

    Director: Yasuo Tsuchiya

    Writer: N/A

  • A Private Place
    8.0/1014 votes
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    A Private Place

    Season 1 Episode 32 - Aired 11/10/2012

    Hibito has made it safely into space, and he's on his way to the moon. Meanwhile, Mutta runs into Azuma and his family, and he decides to approach them.

    Director: N/A

    Writer: N/A

  • Moon Rabbit
    8.6/1015 votes
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    Moon Rabbit

    Season 1 Episode 33 - Aired 11/17/2012

    Hibito and the CES-51 crew finally land on the moon. However, Mutta is worried that Hibito will embarrass their country when he takes his first step.

    Director: Hideaki Uehara

    Writer: N/A

  • Pug and Hug on a Moonlit Night
    8.2/1014 votes
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    Pug and Hug on a Moonlit Night

    Season 1 Episode 34 - Aired 11/24/2012

    Hibito and the CES-51 crew have landed on the moon. Meanwhile, Mutta has returned to Japan to await his final exam results. He's especially concerned about using up his luck before the results are announced.

    Director: Takahiro Harada

    Writer: N/A

  • From the Little Corner of a Big Facility
    8.4/1018 votes
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    From the Little Corner of a Big Facility

    Season 1 Episode 35 - Aired 12/1/2012

    JAXA has begun announcing the results of the final astronaut selection exam. Makabe Kenji receives the first phone call. As Kenji waits to learn his fate, he reflects on his motivation for wanting to be an astronaut.

    Director: N/A

    Writer: N/A

  • Dancing Astronaut
    8.5/1017 votes
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    Dancing Astronaut

    Season 1 Episode 36 - Aired 12/8/2012

    While Mutta waits to hear if he will become an astronaut, Kenji has received good news. The next candidate to get a call is Serika.

    Director: N/A

    Writer: N/A

  • Two Men in the Park
    8.7/1016 votes
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    Two Men in the Park

    Season 1 Episode 37 - Aired 12/15/2012

    Two hours have passed since JAXA was supposed to notify the candidates, and Mutta hasn't received a call. When the phone finally rings, he's told to go to a nearby park. What will his fate be?

    Director: N/A

    Writer: N/A

  • Eleventh E-mail
    8.6/1015 votes
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    Eleventh E-mail

    Season 1 Episode 38 - Aired 12/22/2012

    After a long wait, Mutta learns that he passed the final exam. With no time to enjoy the moment, he is immediately whisked to the press conference, where the other new astronauts wait.

    Director: Shigeru Ueda

    Writer: N/A

  • Lunar Illusions
    8.3/1014 votes
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    Lunar Illusions

    Season 1 Episode 39 - Aired 1/5/2013

    Mutta has begun his life as an astronaut. First, he must undergo a month of JAXA training and orientation. Meanwhile, Hibito and Damian head out in a lunar rover to track down a missing probe.

    Director: N/A

    Writer: N/A

  • Heaven and Hell
    8.7/1017 votes
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    Heaven and Hell

    Season 1 Episode 40 - Aired 1/12/2013

    Damian and Hibito leave Moonbase in search of a missing unmanned probe. However, an accident occurs, stranding them inside a ravine.

    Director: N/A

    Writer: N/A

  • Eighty Minutes to Live
    8.9/1016 votes
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    Eighty Minutes to Live

    Season 1 Episode 41 - Aired 1/19/2013

    After a buggy accident, Hibito and Damian are stuck at the bottom of a ravine. Damian's spacesuit is damaged, and he's losing body heat quickly. The odds are against them, but Hibito decides that the unmanned drone Gibson is their key out.

    Director: Matsuo Asami

    Writer: N/A

  • Hibito's Choice
    9.1/1018 votes
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    Hibito's Choice

    Season 1 Episode 42 - Aired 1/26/2013

    Hibito manages to bring Damian back to the surface by using Gibson, but he's running out of time, as his oxygen supply dwindles. Will Freddy and Buddy find him in time?

    Director: Hideaki Uehara

    Writer: N/A

  • Brian
    9.3/1020 votes
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    Brian

    Season 1 Episode 43 - Aired 2/2/2013

    Hibito is able to save Damian, but he's running out of oxygen. Freddy and Buddy are trying to catch him, but they won't arrive before his oxygen depletes. Is this the end?

    Director: N/A

    Writer: N/A

  • Three Astronauts
    8.8/1016 votes
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    Three Astronauts

    Season 1 Episode 44 - Aired 2/9/2013

    Oxygen generation system Brian arrives just in time to save Hibito. Once he and Damian are rescued and back at Moonbase, he reflects on the astronauts who saved him.

    Director: Yasuo Tsuchiya

    Writer: N/A

  • Five Blue Rangers
    8.3/1014 votes
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    Five Blue Rangers

    Season 1 Episode 45 - Aired 2/16/2013

    Mutta and the other astronaut candidates have finally finished their Japanese training. Before they head to Houston, they receive a gift from Director Nasuda.

    Director: Takahiro Harada

    Writer: N/A

  • Number One Restless Guy
    7.7/1013 votes
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    Number One Restless Guy

    Season 1 Episode 46 - Aired 2/23/2013

    The JAXA astronaut candidates head to Houston, to begin training at NASA. However, Murakami-san appears to have a surprise in store for Mutta.

    Director: Yukihiko Asaki

    Writer: N/A

  • The First Promise
    7.6/1012 votes
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    The First Promise

    Season 1 Episode 47 - Aired 3/2/2013

    Mutta and the other astronaut candidates have arrived in Houston to begin training at NASA. First up is a social event to meet the other astronaut candidates from around the world.

    Director: Shigeru Ueda

    Writer: N/A

  • Always Have a Pedometer in Your Heart
    7.7/1013 votes
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    Always Have a Pedometer in Your Heart

    Season 1 Episode 48 - Aired 3/9/2013

    The first astronaut candidate task is undergoing a survival training course consisting of a six-day trek through the desert. Meanwhile, Mutta is still worried about Amanti's reaction after she read his fortune.

    Director: Fumio Maezono

    Writer: Yoichi Kato

  • Nitta the Leader
    7.8/1013 votes
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    Nitta the Leader

    Season 1 Episode 49 - Aired 3/16/2013

    The astronaut candidates continue their survival training in the desert. Team E has fallen behind the others, but after Nitta takes the lead, they try to pick up the pace.

    Director: N/A

    Writer: N/A

  • Nitta and Mutta
    7.8/1013 votes
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    Nitta and Mutta

    Season 1 Episode 50 - Aired 3/23/2013

    As the survival training draws to a close, Nitta suddenly tells the team he needs to backtrack due to losing his cell phone, but Mutta stops him. However, Mutta appears to have an idea in mind.

    Director: N/A

    Writer: N/A

  • Living Stone
    NaN/100 votes
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    Living Stone

    Season 1 Episode 51 - Aired 3/30/2013

    Mutta and Nitta backtrack through the desert, looking for Nitta's cell phone. But Nitta cannot find it in time to answer his little brother's call. Has he lost another chance to reach him?

    Director: Koji Aritomi

    Writer: Yoichi Kato