9.3/1020 votesLoading...#1 - 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
9.1/1018 votesLoading...#2 - 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
8.9/1016 votesLoading...#3 - 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
8.8/1016 votesLoading...#4 - 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
8.7/1016 votesLoading...#5 - 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
8.7/1017 votesLoading...#6 - 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
8.6/1015 votesLoading...#7 - 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
8.6/1015 votesLoading...#8 - 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
8.5/1019 votesLoading...#9 - 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
8.5/1017 votesLoading...#10 - 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
8.4/1016 votesLoading...#11 - 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
8.4/1018 votesLoading...#12 - 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
8.3/1021 votesLoading...#13 - 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
8.3/1015 votesLoading...#14 - 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
8.3/1015 votesLoading...#15 - 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
8.3/1015 votesLoading...#16 - 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
8.3/1013 votesLoading...#17 - 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
8.3/1014 votesLoading...#18 - 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
8.3/1014 votesLoading...#19 - 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
8.3/1014 votesLoading...#20 - 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
8.2/1023 votesLoading...#21 - 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
8.2/1019 votesLoading...#22 - 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
8.2/1014 votesLoading...#23 - 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
8.2/1014 votesLoading...#24 - 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
8.2/1015 votesLoading...#25 - 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 Best Episodes of Space Brothers
Every episode of Space Brothers ranked from best to worst. Let's dive into the Best Episodes of Space Brothers!
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
Best Episodes Summary
"Brian" is the best rated episode of "Space Brothers". It scored 9.3/10 based on 20 votes. Directed by N/A and written by N/A, it aired on 2/2/2013. This episode scored 0.2 points higher than the second highest rated, "Hibito's Choice".