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The Best Episodes of Space Brothers Season 1

Every episode of Space Brothers Season 1 ranked from best to worst. Discover the Best Episodes of Space Brothers Season 1!

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

Season 1 Ratings Summary

"Little Brother Hibito and Big Brother Mutta" is the best rated episode of "Space Brothers" season 1. It scored 7.8/10 based on 26 votes. Directed by Hiroshi Kugimiya and written by Makoto Uezu, it aired on 3/31/2012. This episode is rated 0.0 points higher than the second-best, "My Shining Star".

  • Little Brother Hibito and Big Brother Mutta
    7.8/1026 votes

    #1 - 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
    7.8/1022 votes

    #2 - 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
    8.1/1020 votes

    #3 - 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
    8.2/1020 votes

    #4 - 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
    8.4/1019 votes

    #5 - 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
    8.2/1018 votes

    #6 - 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

    #7 - 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
    8.6/1017 votes

    #8 - 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

    #9 - 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

    #10 - 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

    #11 - 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

    #12 - 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

    #13 - 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

    #14 - 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

    #15 - 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

    #16 - 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
    8.3/1014 votes

    #17 - 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!
    7.9/1014 votes

    #18 - 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
    8.3/1014 votes

    #19 - 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
    8.4/1014 votes

    #20 - 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
    8.1/1013 votes

    #21 - 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
    8.4/1013 votes

    #22 - 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
    8.2/1012 votes

    #23 - 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
    7.9/1012 votes

    #24 - 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
    7.8/1013 votes

    #25 - 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