Mutta has been picked to go to Houston for the final astronaut selection exam. But because his selection means that Kenji wasn't chosen, he has mixed feelings.

After a long wait, Mutta learns that he passed the final exam. With no time to enjoy the moment, he is immediately whisked to the press conference, where the other new astronauts wait.

Mutta and the other astronaut candidates have arrived in Houston to begin training at NASA. First up is a social event to meet the other astronaut candidates from around the world.

Recap episode. Mutta recalls how he first got accepted for the JAXA training program.

Recap episode. Hibito recalls the ordeal of his accident on the moon.

As Mutta and his teammates try to keep warm in the cold desert night, Mutta is reminded of recent events.

Pico and Vince were pushed by their fathers and teachers to apply for their local technical college, which angered Rick, who felt betrayed by the others for giving up their dreams. Before they could make up with each other, Rick died in a car accident on the day Pico and Vince attended a career day for the mines. Distraught and angered by Rick's death, Pico and Vince reaffirmed their resolve to pursue careers as astronauts, as life is too short for unexciting things. Back in the present, Azuma and his group arrive at the moon base, where he reunites with Hibito, who thanks him for helping to save his life, whilst Mutta, Kenji and Nitta watch it on TV. As the day of the Comeback Competition arrives, Pico informs Mutta and Kenji that a rainfall the previous night could potentially cause huge problems with the sponge tires, the worst case scenario given them only an hour to do something about it.

After Mutta completes flight training, he officially becomes an astronaut. Now he must wait to see if he will be assigned to a lunar mission.

NASA and JAXA have decided to bring Hibito back to Houston, placing him in a supporting role. Hibito has no choice but to pack up and make his farewells.