Space Brothers: Season 1
This season started on March 31, 2012. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Little Brother Hibito and Big Brother Mutta · 24 min | |
| 2 | My Shining Star · 24 min | |
| 3 | The Man with the Advantage and the Running Female Doctor · 24 min | |
| 4 | Next to Hibito · 24 min | |
| 5 | Days of Missing · 24 min | |
| 6 | Et Cetera in My Head · 24 min | |
| 7 | Dear Hibito · 24 min | |
| 8 | Smoky Heaven · 24 min | |
| 9 | Individual Resolve · 24 min | |
| 10 | Running Bus · 24 min | |
| 11 | Trapped Rivals · 24 min | |
| 12 | My Name Is Itou Serika · 24 min | |
| 13 | 3-D Ant · 24 min | |
| 14 | Broken Glasses and the Sole of the Foot · 24 min | |
| 15 | Let's Talk About Space · 24 min | |
| 16 | Alarm, but No Clock · 24 min | |
| 17 | The Culprit Is in the Room · 24 min | |
| 18 | Roo-ra! Kenji! · 24 min | |
| 19 | The Day Before Goodbye · 24 min | |
| 20 | The Worst Possible Punishment · 24 min | |
| 21 | A Long-Awaited Glimpse of the Sky · 24 min | |
| 22 | Working on the Dream · 24 min | |
| 23 | Father, Son, and Mutta Claus · 24 min | |
| 24 | The Worst Possible Interviewer · 24 min | |
| 25 | Sonic Little Brother Training Big Brother · 24 min | |
| 26 | Painful Interview · 24 min | |
| 27 | One Question · 24 min | |
| 28 | Miracle of Doha · 24 min | |
| 29 | Night Before Launch · 24 min | |
| 30 | Dog, Old Man, and Alexander · 24 min | |
| 31 | Rocket Road · 24 min | |
| 32 | A Private Place · 24 min | |
| 33 | Moon Rabbit · 24 min | |
| 34 | Pug and Hug on a Moonlit Night · 24 min | |
| 35 | From the Little Corner of a Big Facility · 24 min | |
| 36 | Dancing Astronaut · 24 min | |
| 37 | Two Men in the Park · 24 min | |
| 38 | Eleventh E-mail · 24 min | |
| 39 | Lunar Illusions · 24 min | |
| 40 | Heaven and Hell · 24 min | |
| 41 | Eighty Minutes to Live · 24 min | |
| 42 | Hibito's Choice · 24 min | |
| 43 | Brian · 24 min | |
| 44 | Three Astronauts · 24 min | |
| 45 | Five Blue Rangers · 24 min | |
| 46 | Number One Restless Guy · 24 min | |
| 47 | The First Promise · 24 min | |
| 48 | Always Have a Pedometer in Your Heart · 24 min | |
| 49 | Nitta the Leader · 24 min | |
| 50 | Nitta and Mutta · 24 min | |
| 51 | Living Stone · 24 min |
