All Episode in Season 1

1. Little Brother Hibito and Big Brother Mutta 2. My Shining Star 3. The Man with the Advantage and the Running Female Doctor 4. Next to Hibito 5. Days of Missing 6. Et Cetera in My Head 7. Dear Hibito 8. Smoky Heaven 9. Individual Resolve 10. Running Bus 11. Trapped Rivals 12. My Name Is Itou Serika 13. 3-D Ant 14. Broken Glasses and the Sole of the Foot 15. Let's Talk About Space 16. Alarm, but No Clock 17. The Culprit Is in the Room 18. Roo-ra! Kenji! 19. The Day Before Goodbye 20. The Worst Possible Punishment 21. A Long-Awaited Glimpse of the Sky 22. Working on the Dream 23. Father, Son, and Mutta Claus 24. The Worst Possible Interviewer 25. Sonic Little Brother Training Big Brother 26. Painful Interview 27. One Question 28. Miracle of Doha 29. Night Before Launch 30. Dog, Old Man, and Alexander 31. Rocket Road 32. A Private Place 33. Moon Rabbit 34. Pug and Hug on a Moonlit Night 35. From the Little Corner of a Big Facility 36. Dancing Astronaut 37. Two Men in the Park 38. Eleventh E-mail 39. Lunar Illusions 40. Heaven and Hell 41. Eighty Minutes to Live 42. Hibito's Choice 43. Brian 44. Three Astronauts 45. Five Blue Rangers 46. Number One Restless Guy 47. The First Promise 48. Always Have a Pedometer in Your Heart 49. Nitta the Leader 50. Nitta and Mutta 51. Living Stone

Season List

Space Brothers Specials Space Brothers Season 1 Space Brothers Season 2