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Space Brothers poster

Space Brothers (2012)

Animation · Comedy · Sci-Fi

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 become the first Japanese on the moon, but Mutta has just been fired from his job. His brother reminds him of their childhood promise, and Mutta decides once again to aim for space.

IMDb rating
8.2 (716 votes)
Episode average
8.3 +0.1 vs IMDb
Seasons
1
Streaming (US)
Crunchyroll
Language
JA
Type
TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2012)

8.33 avg 99 episodes 8.2 → 9.1 24 min avg

Ep 1: 8.2 · 40 votesEp 2: 8.0 · 33 votesEp 3: 8.2 · 31 votesEp 4: 8.4 · 32 votesEp 5: 8.4 · 29 votesEp 6: 8.4 · 26 votesEp 7: 8.4 · 22 votesEp 8: 8.6 · 26 votesEp 9: 8.2 · 20 votesEp 10: 8.5 · 19 votesEp 11: 8.4 · 20 votesEp 12: 8.7 · 20 votesEp 13: 8.3 · 21 votesEp 14: 8.3 · 18 votesEp 15: 8.5 · 18 votesEp 16: 8.4 · 19 votesEp 17: 8.6 · 20 votesEp 18: 8.2 · 20 votesEp 19: 8.4 · 20 votesEp 20: 8.7 · 20 votesEp 21: 8.4 · 18 votesEp 22: 8.6 · 19 votesEp 23: 8.5 · 17 votesEp 24: 8.1 · 17 votesEp 25: 8.1 · 18 votesEp 26: 8.6 · 18 votesEp 27: 8.5 · 17 votesEp 28: 8.6 · 18 votesEp 29: 8.2 · 17 votesEp 30: 8.5 · 19 votesEp 31: 8.6 · 22 votesEp 32: 8.3 · 19 votesEp 33: 8.7 · 20 votesEp 34: 8.3 · 19 votesEp 35: 8.6 · 24 votesEp 36: 9.0 · 25 votesEp 37: 9.0 · 25 votesEp 38: 8.8 · 21 votesEp 39: 8.4 · 20 votesEp 40: 9.0 · 24 votesEp 41: 9.1 · 26 votesEp 42: 9.3 · 32 votesEp 43: 9.3 · 33 votesEp 44: 9.0 · 25 votesEp 45: 8.5 · 20 votesEp 46: 8.0 · 18 votesEp 47: 7.9 · 17 votesEp 48: 8.1 · 18 votesEp 49: 8.2 · 18 votesEp 50: 8.2 · 18 votesEp 51: 8.2 · 19 votesEp 52: 6.2 · 20 votesEp 53: 6.1 · 20 votesEp 54: 6.1 · 19 votesEp 55: 7.9 · 18 votesEp 56: 8.1 · 19 votesEp 57: 8.3 · 18 votesEp 58: 8.1 · 20 votesEp 59: 8.6 · 20 votesEp 60: 8.4 · 19 votesEp 61: 8.4 · 19 votesEp 62: 8.1 · 18 votesEp 63: 8.4 · 18 votesEp 64: 8.4 · 18 votesEp 65: 7.9 · 18 votesEp 66: 8.1 · 18 votesEp 67: 8.4 · 18 votesEp 68: 8.2 · 19 votesEp 69: 8.1 · 19 votesEp 70: 8.3 · 17 votesEp 71: 8.2 · 17 votesEp 72: 8.3 · 16 votesEp 73: 8.4 · 16 votesEp 74: 7.9 · 16 votesEp 75: 8.9 · 23 votesEp 76: 8.1 · 19 votesEp 77: 7.8 · 17 votesEp 78: 7.9 · 16 votesEp 79: 7.6 · 17 votesEp 80: 8.1 · 15 votesEp 81: 8.2 · 14 votesEp 82: 8.3 · 14 votesEp 83: 8.2 · 15 votesEp 84: 8.4 · 16 votesEp 85: 8.6 · 17 votesEp 86: 8.3 · 16 votesEp 87: 8.3 · 16 votesEp 88: 8.8 · 18 votesEp 89: 8.5 · 15 votesEp 90: 8.7 · 15 votesEp 91: 8.9 · 16 votesEp 92: 8.2 · 15 votesEp 93: 8.6 · 14 votesEp 94: 8.0 · 12 votesEp 95: 8.3 · 13 votesEp 96: 8.4 · 16 votesEp 97: 8.6 · 16 votesEp 98: 8.8 · 17 votesEp 99: 9.1 · 23 votes
Season 1 episodes - IMDb ratings
#TitleRatingVotes
1Little Brother Hibito and Big Brother Mutta8.240
2My Shining Star8.033
3The Man with the Advantage and the Running Female Doctor8.231
4Next to Hibito8.432
5Days of Missing8.429
6Et Cetera in My Head8.426
7Dear Hibito8.422
8Smoky Heaven8.626
9Individual Resolve8.220
10Running Bus8.519
11Trapped Rivals8.420
12My Name Is Itou Serika8.720
133-D Ant8.321
14Broken Glasses and the Sole of the Foot8.318
15Let's Talk About Space8.518
16Alarm, But No Clock8.419
17The Culprit Is in the Room8.620
18Roo-ra! Kenji!8.220
19The Day Before Goodbye8.420
20The Worst Possible Punishment8.720
21A Long-Awaited Glimpse of the Sky8.418
22Working on the Dream8.619
23Father, Son, and Mutta Claus8.517
24The Worst Possible Interviewer8.117
25Sonic Little Brother Training Big Brother8.118
26Painful Interview8.618
27One Question8.517
28Miracle of Doha8.618
29Night Before Launch8.217
30Dog, Old Man, and Alexander8.519
31Rocket Road8.622
32A Private Place8.319
33Moon Rabbit8.720
34Pug and Hug on a Moonlit Night8.319
35From the Little Corner of a Big Facility8.624
36Dancing Astronaut9.025
37Two Men in the Park9.025
38Eleventh E-mail8.821
39Lunar Illusions8.420
40Heaven and Hell9.024
41Eighty Minutes to Live9.126
42Hibito's Choice9.332
43Brian9.333
44Three Astronauts9.025
45Five Blue Rangers8.520
46Number One Restless Guy8.018
47The First Promise7.917
48Always Have a Pedometer in Your Heart8.118
49Nitta the Leader8.218
50Nitta and Mutta8.218
51Living Stone8.219
52A Big Brother Should Always...6.220
53Stand on the Moon Together Alive6.120
54Do I Have Good Luck?6.119
55Distant Goal7.918
56Promise to Drink8.119
57An Engineer's Switch8.318
58Earnest Failure8.120
59Promise Sign8.620
60Sea Diver and Space Diver8.419
61Those Who Wait for Hibito8.419
62Those Who Dream Far8.118
63Young Excitement8.418
64Piece of Cake8.418
65Wheelchair Pilot7.918
66Two Notebooks8.118
67Deneil-ized8.418
68Two Keyboards8.219
69Next to Hibito8.119
70Determination to Give Up8.317
71Rehearsal8.217
72Hibito's Disorder8.316
73A Road on the Roadless Moon8.416
74Magic Trick7.916
75My Hands8.923
76Olga8.119
77An Astronaut's Daughter7.817
78Out of Time7.916
79Olga, Hibito, and Gagarin7.617
80Secret8.115
81Worst Enemy8.214
82Space Family8.314
83Kenji and I8.215
84Supandaman8.416
85On the Moon8.617
86For Tomorrow8.316
87To the Place Where I Belong8.316
88Pretty Dog8.818
89Last Words8.515
90A Small Note and a Big Lucky Charm8.715
91How to Help Hibito8.916
92Lonely People8.215
93In the Corner of My Heart8.614
94Exciting Teamwork8.012
95Our Future8.313
96Astronaut and Father8.416
97Won't Go Away8.616
98The Ultimate Astronaut8.817
99Life Changes, Promises Don't9.123

Episode ratings and vote counts from IMDb. Poster, overview, and streaming data from TMDB. Data refreshed 2026-10-03.

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