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