Space Brothers

The WORST episodes of Space Brothers

Every episode ever - ranked by fan votes!

One night in 2006, when they were young, the two brothers Mutta (born 1993) and Hibito (born 1996) saw what appeared to be a UFO heading for the moon. They decided that night to both become astronauts and travel out into space. In 2025, Hibito has become an astronaut, and he's going to go to the moon. Mutta ended up following a more traditional career path with an auto development company. However, Mutta just ruined his career through a violent altercation with his boss. Now, not only has he lost his job, he appears to be blacklisted in the entire industry. Maybe this is a rare opportunity for Mutta to once again chase his childhood dream and become an astronaut like his little brother!

Last Updated: 4/13/2022Network: YTV (JP)
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Our Future
star
6.67
6 votes

#1 - Our Future

Season 2 - Episode 44 - Aired 2/22/2014

Eddie Jay's arrival has given the CES-62 sub crew a much-needed jolt. After a night jog brings the crew closer together, Eddie suggests that the crew members share their stories.

Watch Now:Amazon
Stand on the Moon Together Alive
star
6.86
7 votes

#2 - Stand on the Moon Together Alive

Season 2 - Episode 2 - Aired 4/13/2013

Recap episode. Hibito recalls the ordeal of his accident on the moon.

Watch Now:iTunes
Do I Have Good Luck?
star
7.00
6 votes

#3 - Do I Have Good Luck?

Season 2 - Episode 3 - Aired 4/20/2013

Recap episode. Mutta recalls watching Hibito's launch, as well as the events of his JAXA exams.

Watch Now:iTunes
A Big Brother is Always...
star
7.27
11 votes

#4 - A Big Brother is Always...

Season 2 - Episode 1 - Aired 4/6/2013

Recap episode. Mutta recalls how he first got accepted for the JAXA training program.

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For Tomorrow
star
7.57
7 votes

#5 - For Tomorrow

Season 2 - Episode 35 - Aired 12/14/2013

Mutta has completed NEEMO training. His final idea impressed many people in NASA. Meanwhile, back in Houston, Hibito continues his rehabilitation.

Watch Now:Amazon
Dancing Astronaut
star
7.67
12 votes

#6 - Dancing Astronaut

Season 1 - Episode 36 - Aired 12/9/2012

As Serika visits her father's grave after hearing about her results, she recalls her childhood. Being a biologist who studied 'little universes', Rinpei Itou inspired Serika to want to be an astronaut. Rinpei soon became hospitalised with a paralyzing brain disorder, so he asked Serika to start a journal to tell him about her daily life. Rinpei's condition soon worsened, as his condition was revealed to be a rare disease. Reading up on Chiaki Mukai, who was an astronaut who developed cures aboard the ISS, Serika became determined to be the same so she could find a cure for Rinpei's condition. However, he passed away soon afterwards. Having learnt that she has passed her exams, Serika celebrates with a nostalgic ice pop.

An Cosmonaut's Daughter
star
7.78
9 votes

#7 - An Cosmonaut's Daughter

Season 2 - Episode 26 - Aired 10/12/2013

Hibito continues to struggle in rehab. Russian astronaut Ivan Tolstoy shows Hibito videos of his daughter as a child, learning ballet. Will the videos give Hibito his answer?

Worst Enemy
star
8.00
6 votes

#8 - Worst Enemy

Season 2 - Episode 30 - Aired 11/9/2013

Mutta's idea for improving the lunar rover has earned him the right to participate in NEEMO training. He has taken one step toward the moon.

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Lonely People
star
8.00
7 votes

#9 - Lonely People

Season 2 - Episode 41 - Aired 2/1/2014

Hibito has passed his test to return to active duty. With that over, Mutta can focus on starting his backup crew training for a lunar mission.

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Olga, Hibito and Gagarin
star
8.00
8 votes

#10 - Olga, Hibito and Gagarin

Season 2 - Episode 28 - Aired 10/26/2013

NASA and JAXA have decided to bring Hibito back to Houston, placing him in a supporting role. Hibito has no choice but to pack up and make his farewells.

Number One Restless Guy
star
8.08
12 votes

#11 - Number One Restless Guy

Season 1 - Episode 46 - Aired 2/24/2013

As the astronaut candidates arrive at the airport, Serika and Ena think back to their last meals with their friends and family. Serika had dinner with her friends and grandparents whilst Ena spent time with her younger sister, Kei, helping her decide what she wants to do in the future. Meanwhile, Mutta attracts a lot of attention after Murasaki tricks him into putting on his jumpsuit in the airport. Meanwhile at NASA, astronaut Vincent Bold is assigned as the training instructor for the new trainees. Upon arriving at Houston, Mutta meets up with Ozzy, who helps him and Kenji set up accomodation in Hibito's house.

Olga
star
8.13
8 votes

#12 - Olga

Season 2 - Episode 25 - Aired 10/5/2013

Mutta has convinced Chief Butler to allow him to start training for lunar missions. Meanwhile, Hibito is in Russia, trying to overcome his panic disorder.

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Out of Time
star
8.13
8 votes

#13 - Out of Time

Season 2 - Episode 27 - Aired 10/19/2013

Inspired by Olga's performance, Hibito continues his rehabilitation. Ivan comes up with a unique approach that may start Hibito down the path to recovery.

Watch Now:Amazon
Five Blue Rangers
star
8.14
14 votes

#14 - Five Blue Rangers

Season 1 - Episode 45 - Aired 2/17/2013

Mutta pays a visit to Sharon, who is shocked to hear how much danger Hibito was in. She reveals that her astronomy team has received funding to build a lunar telescope on the moon, which would allow people to see further into space, an idea spurred by her late husband, Shinichi, who named an asteroid after her before he passed away from an illness. This spurs on Mutta to fulfil his promise to Sharon, along with his promise to Hibito. Later, Mutta and the others receive their official JAXA jumpsuits before being informed they will be travelling to Houston tomorrow to begin their joint astronaut training.

Watch Now:Amazon
Pretty Dog
star
8.14
7 votes

#15 - Pretty Dog

Season 2 - Episode 37 - Aired 1/4/2014

Hibito is worried about the upcoming test that will decide if he will be allowed to return to space. Uncertain, he turns to an unexpected person for advice.

Watch Now:Amazon
To the Place Where I Belong
star
8.17
6 votes

#16 - To the Place Where I Belong

Season 2 - Episode 36 - Aired 12/21/2013

Mutta has completed his NEEMO training and now waits to learn if he will be heading to the moon. Back in Houston, Hibito also completes his rehabilitation training. All that remains is to demonstrate to NASA that he has made a full recovery.

The Ultimate Astronaut
star
8.17
6 votes

#17 - The Ultimate Astronaut

Season 2 - Episode 47 - Aired 3/15/2014

Hibito has gone missing. Mutta suffers from distraction causing him to lose focus during mission training. Mutta and Chief Butler are searching for any option to change NASA's mind on Hibito.

Rehearsal
star
8.22
9 votes

#18 - Rehearsal

Season 2 - Episode 20 - Aired 8/31/2013

Mutta and Hibito are selected for a magazine cover. Mutta is excited, but he notices that Hibito is acting strangely.

Hibito's Disorder
star
8.22
9 votes

#19 - Hibito's Disorder

Season 2 - Episode 21 - Aired 9/7/2013

Hibito struggles with the panic disorder that's afflicted him since his ordeal on the moon. However, he requests that his condition be kept secret from Mutta, who may have found a way to improve the lunar rover.

Magic Trick
star
8.22
9 votes

#20 - Magic Trick

Season 2 - Episode 23 - Aired 9/21/2013

Mutta's proposal to improve the lunar rover is received well. But he still hasn't convinced Chief Butler to let him train for lunar missions. Desperate for ideas, Mutta researches Chief Butler's history for clues.

Watch Now:Amazon
Always Have a Pedometer in Your Heart
star
8.25
12 votes

#21 - Always Have a Pedometer in Your Heart

Season 1 - Episode 48 - Aired 3/10/2013

The astronaut candidates are briefed on their training, with Bold stating he plans to make everyone go through two years of training in a year and a half, to the surprise of his fellow instructor, Larry Bison. He starts off with the hard stuff right away by putting everyone through survival training in the desert, where they must walk all the way to Amarillo. Mutta's group, consisting of the JAXA candidates and Amanti, meet up with their advisors, Mike Davis and, to Mutta's surprise, Lowry, who provide them with lunch before informing them they'll need to forage further meals themselves.

On the Moon
star
8.25
8 votes

#22 - On the Moon

Season 2 - Episode 34 - Aired 12/7/2013

Mutta and Kenji have overcome their initial shock after hearing that only one of them will be chosen to go to the moon. Now that they're working together again, everything seems to be going right with their construction of the Moonbase.

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 Kenji and I
star
8.29
7 votes

#23 - Kenji and I

Season 2 - Episode 32 - Aired 11/23/2013

Only one of each team's two Ants will be chosen to go to the moon. Since the beginning of his journey, Mutta has worked with Kenji, so he isn't sure what to do.

A Small Note and a Big Lucky Charm
star
8.29
7 votes

#24 - A Small Note and a Big Lucky Charm

Season 2 - Episode 39 - Aired 1/18/2014

Hibito begins the test that will determine if he can return to active duty. However, Chief Butler has planned a surprise for Hibito.

How to Help Hibito
star
8.29
7 votes

#25 - How to Help Hibito

Season 2 - Episode 40 - Aired 1/25/2014

Hibito takes the test to determine if he will be allowed to return to active duty. While Chief Butler issues a green card for a false malfunction, to see how Hibito reacts under pressure, another malfunction also occurs that Butler doesn't expect.