Space Brothers: Season 2
Season 2 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Space Brothers Season 1.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 2 Progress Shield
A Big Brother Should Always...
Apr 6, 2013
Recap episode. Mutta recalls how he first got accepted for the JAXA training program.
Stand on the Moon Together Alive
Apr 13, 2013
Recap episode. Hibito recalls the ordeal of his accident on the moon.
Do I Have Good Luck?
Apr 20, 2013
As Mutta and his teammates try to keep warm in the cold desert night, Mutta is reminded of recent events.
Distant Goal
Apr 27, 2013
The astronaut candidates have reached the sixth, and final, day of survival training. But Mutta is down with a fever. Can Team E complete the training?
Promise to Drink
May 4, 2013
After completing survival training, the NASA astronaut candidates are tasked to participate in the upcoming Comeback Competition. Each team receives an advisory engineer, but Mutta
An Engineer's Switch
May 11, 2013
As Azuma makes his way towards the moon, Mutta's team works on testing the rover, learning of what flaws they need to fix. The team consider following another team's example and go
Earnest Failure
May 18, 2013
During their car ride, Vince mentions that he considers astronomers his enemy, due to their supposed snobbery towards manned spaceflight. When asked who his viewpoint, Mutta respon
Promise Sign
May 25, 2013
Pico and Vince were pushed by their fathers and teachers to apply for their local technical college, which angered Rick, who felt betrayed by the others for giving up their dreams.
Sea Diver and Space Diver
Jun 1, 2013
With a limited amount of time before they launch, the team search for materials they can use to keep the sponge tires dry. Visiting the hotel's utility room, Mutta borrows some sil
Those Who Wait for Hibito
Jun 8, 2013
As Hibito, along with Damian and Linda, begin their journey back to Earth, Mutta's group give Pico their rover as a memento of their time together. The day soon comes for the space
Those Who Dream Far
Jun 15, 2013
Whilst Hibito, Damian and Linda begin their rehabiliation, Amanti tells Mutta about a premonition she had about him, saying someone close to him will soon be stricken by a serious
Young Excitement
Jun 22, 2013
The AsCans begin their flight studies, in which they must learn three weeks worth of flight knowledge in three days. Meanwhile, Sharon speaks with Daniel Morrison, a university lec
Piece of Cake
Jun 29, 2013
Mutta, Hibito and Serika accompany Sharon to a neurologist, where Serika fears she may be suffering from amyotrophic lateral sclerosis just like her father. As Sharon is admitted f
Wheelchair Pilot
Jul 13, 2013
After Mutta takes a make-up exam, this time managing to concentrate properly, he once again meets Deneil Young. With the top scoring AsCans being assigned to the best flight instru
Two Notebooks
Jul 20, 2013
Deneil takes Mutta on his first T-38 flight where, unlike the other instructors, he flies at speeds of 6.5Gs. Mutta throws up on his first flight, though after hearing Hibito went
Deneil-ized!
Jul 27, 2013
Hibito informs Mutta that he'll be returning to Japan for a week in order to be debriefed by JAXA and visit Sharon. Meanwhile, Mutta struggles with multitasking aspect of flying a
Two Keyboards
Aug 3, 2013
Mutta's flight training is progressing well. Meanwhile, Hibito heads back to Japan, where he is greeted by cheering g crowds and parades. He also gets a chance to visit Sharon.
Next to Hibito
Aug 10, 2013
After Mutta completes flight training, he officially becomes an astronaut. Now he must wait to see if he will be assigned to a lunar mission.
Determination to Give Up
Aug 17, 2013
After completing training, Mutta is offered a spot on the backup crew for an upcoming ISS mission. This is a golden opportunity for Mutta to make it to space quickly. But he must c
Rehearsal
Aug 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
Sep 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
A Road on the Roadless Moon
Sep 14, 2013
Mutta comes up with an idea to prevent vehicular accidents on the moon. Will NASA accept his proposal?
Magic Trick
Sep 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
My Hands
Sep 28, 2013
Mutta's proposal to add a windshield to the lunar rover is received well. However, Chief Butler is still reluctant to allow Mutta to train for lunar missions. Mutta decides he must
Olga
Oct 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.
An Astronaut's Daughter
Oct 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?
Out of Time
Oct 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.
Olga, Hibito and Gagarin
Oct 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.
Secret
Nov 2, 2013
Hibito has returned to Houston from Russia. At the same time, Mutta begins his journey to the moon with NEEMO training.
Worst Enemy
Nov 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.
Space Family
Nov 16, 2013
Mutta is now underwater participating in NEEMO training. He's happy to be assigned to the same team as Kenji, but it turns out that he shouldn't be celebrating.
Kenji and I
Nov 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.
Supandaman
Nov 30, 2013
Mutta and Kenji are forced to compete for the chance to go to the moon. Initially unsure as to what to do, Mutta benefits from Andy's advice, which helps him settle down and devise
On the Moon's Surface
Dec 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
For Tomorrow
Dec 14, 2013
Mutta has completed NEEMO training. His final idea impressed many people in NASA. Meanwhile, back in Houston, Hibito continues his rehabilitation.
To the Place Where I Belong
Dec 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 remain
Pretty Dog
Jan 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.
Last Words
Jan 11, 2014
Mutta has been chosen to go to the moon. First, he will serve as Vince's backup. Now, Kenji and Nitta must learn what the future has in store for them.
A Small Note and a Big Lucky Charm
Jan 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
Jan 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 pr
Lonely People
Feb 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.
In the Corner of My Heart
Feb 8, 2014
As Sharon makes a new proposal to NASA for the lunar telescope, Mutta continues his training in the desert. However, Chief Butler is still seeking a backup captain for the mission.
Exciting Teamwork
Feb 15, 2014
Mutta has been assigned to the CES-62 backup crew, but his fellow members aren't keen to work together. Will the arrival of Eddie Jay, their leader, turn things around?
Our History
Feb 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.
Astronaut and Father
Mar 1, 2014
Mutta has returned from his training in the desert and gets some rest as Christmas approaches. Meanwhile, Kenji and Nitta finally learn about the mission they've been assigned to.
Won't Go Away
Mar 8, 2014
It's New Year's, and the Nanba family is together in Houston to celebrate. Mutta feels good, as he trains for the moon and talks to Serika, but Hibito doesn't seem to be in a celeb
The Ultimate Astronaut
Mar 15, 2014
Troubled by Hibito's disappearance, Mutta's performance begins slipping. However, a conversation with Chief Butler reassures him.
Life Changes, Promises Don't
Mar 22, 2014
Hibito's disappearance is distracting Mutta during training and he makes a critical mistake. What will Hibito do next, and will Mutta be able to get his act together before the act