Themes refers to music used within the anime such as:
- Opening Themes (OP)
- Ending Themes (ED)
- Insert Songs (IN)
Below is the list and information of all the themes used in the Space Brothers Anime.
Opening Themes
Space Brothers has a total of eight opening themes to date.
Feel So Moon
Feel So Moon, performed by Unicorn, is the first opening theme of the Space Brothers Anime.
「Feel So Moon」- Unicorn (宇宙兄弟 OP1)
Opening 01 Space Brothers Anime
The opening was used for the following episodes:
- Episode 01
- Episode 02
- Episode 03
- Episode 04
- Episode 05
- Episode 06
- Episode 07
- Episode 08
- Episode 09
- Episode 10
- Episode 11
- Episode 12
- Episode 13
Eureka
Eureka (ユリーカ Yurīka), performed by Sukima Switch, is the second opening theme of the Space Brothers Anime.
「Eureka」- Sukima Switch (宇宙兄弟 OP2)
Opening 02 Space Brothers Anime
The opening was used for the following episodes:
- Episode 14
- Episode 15
- Episode 16
- Episode 17
- Episode 18
- Episode 19
- Episode 20
- Episode 21
- Episode 22
- Episode 23
- Episode 24
- Episode 25
- Episode 26
Yumemiru Sekai
Yumemiru Sekai (夢見る世界), performed by DOES, is the third opening theme of the Space Brothers Anime.
Space Brothers OP3 - 夢見る世界 by DOES
Opening 03 Space Brothers Anime
The opening was used for the following episodes:
- Episode 27
- Episode 28
- Episode 29
- Episode 30
- Episode 31
- Episode 32
- Episode 33
- Episode 34
- Episode 35
- Episode 36
- Episode 37
- Episode 38
Small World
Small World, performed by Fuji Fabric, is the fourth opening theme of the Space Brothers Anime.
Uchuu Kyoudai Opening 4 - Small World by Fujifabric
Opening 04 Space Brothers Anime
The opening was used for the following episodes:
- Episode 39
- Episode 40
- Episode 41
- Episode 42
- Episode 43
- Episode 44
- Episode 45
- Episode 46
- Episode 47
- Episode 48
- Episode 49
- Episode 50
- Episode 51
Kienaie
Kienaie (消えない絵), performed by Magokoro Brothers (真心ブラザーズ), is the fifth opening theme of the Space Brothers Anime.
The opening was used for the following episodes:
- Episode 52
- Episode 53
- Episode 54
- Episode 55
- Episode 56
- Episode 57
- Episode 58
- Episode 59
- Episode 60
- Episode 61
- Episode 62
- Episode 63
- Episode 64
Crater
Crater (クレーター), performed by Merengue (メレンゲ) , is the sixth opening theme of the Space Brothers Anime.
The opening was used for the following episodes:
- Episode 65
- Episode 66
- Episode 67
- Episode 68
- Episode 69
- Episode 70
- Episode 71
- Episode 72
- Episode 73
- Episode 74
- Episode 75
HALO
HALO, performed by tacica, is the seventh opening theme of the Space Brothers Anime.
The opening was used for the following episodes:
- Episode 76
- Episode 77
- Episode 78
- Episode 79
- Episode 80
- Episode 81
- Episode 82
- Episode 83
- Episode 84
- Episode 85
- Episode 86
- Episode 87
B.B.
B.B., performed by THE Yatou (THE 野党), is the eighth opening theme of the Space Brothers Anime.
The opening was used for the following episodes:
- Episode 88
- Episode 89
- Episode 90
- Episode 91
- Episode 92
- Episode 93
- Episode 94
- Episode 95
- Episode 96
- Episode 97
- Episode 98
- Episode 99
Ending Themes
Space Brothers has a total of eight ending themes to date.
Subarashiki Sekai
Subarashiki Sekai (素晴らしき世界), performed by Rake, is the first ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 01
- Episode 02
- Episode 03
- Episode 04
- Episode 05
- Episode 06
- Episode 07
- Episode 08
- Episode 09
- Episode 10
- Episode 11
- Episode 12
- Episode 13
Kokuhaku
Kokuhaku (告白), performed by Angela Aki, is the second ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 14
- Episode 15
- Episode 16
- Episode 17
- Episode 18
- Episode 19
- Episode 20
- Episode 21
- Episode 22
- Episode 23
- Episode 24
- Episode 25
- Episode 26
Tete
Tete (テテ), performed by Akihisa Kondō, is the third ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 27
- Episode 28
- Episode 29
- Episode 30
- Episode 31
- Episode 32
- Episode 33
- Episode 34
- Episode 35
- Episode 36
- Episode 37
- Episode 38
Goodbye Issac
Goodbye Issac (グッバイ・アイザック Gubbai Aizakku), performed by Motohiro Hata, is the fourth ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 39
- Episode 40
- Episode 41
- Episode 42
- Episode 43
- Episode 44
- Episode 45
- Episode 46
- Episode 47
- Episode 48
- Episode 49
- Episode 50
- Episode 51
BEYOND
BEYOND, performed by Miho Fukuhara (福原美穂), is the fifth ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 52
- Episode 53
- Episode 54
- Episode 55
- Episode 56
- Episode 57
- Episode 58
- Episode 59
- Episode 60
- Episode 61
- Episode 62
- Episode 63
- Episode 64
Yozora no Taiyou
Yozora no Taiyou (夜空の太陽), performed by Flower Companyz, is the sixth ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 65
- Episode 66
- Episode 67
- Episode 68
- Episode 69
- Episode 70
- Episode 71
- Episode 72
- Episode 73
- Episode 74
- Episode 75
New World
New World, performed by Kasarinchu (カサリンチュ), is the seventh ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 76
- Episode 77
- Episode 78
- Episode 79
- Episode 80
- Episode 81
- Episode 82
- Episode 83
- Episode 84
- Episode 85
- Episode 86
- Episode 87
Anata ga ireba OK!
Anata ga ireba OK! (あなたがいればOK!), performed by Serena（セレナ), is the eighth ending theme of the Space Brothers Anime.
The ending was used for the following episodes:
- Episode 88
- Episode 89
- Episode 90
- Episode 91
- Episode 92
- Episode 93
- Episode 94
- Episode 95
- Episode 96
- Episode 97
- Episode 98
- Episode 99