Space Monkey changes Halley's Comet's orbit, forcing the Galaxy Kids to take off to correct Halley's Comet's orbit.

Space junk falls from the sky and ruins Luna's greenhouse, but when Luna suggests the team go out to clean up the junk, the kids find the task boring, prompting Luna to look for a way to make cleaning fun.

Poya shares a lesson about space with Cosmo, who wants to become an astronaut, but when things get boring in class, Cosmo dreams about having an adventure with his idol, Space Girl.

Poya goes out to investigate the moon and meets two reflection robots; a moonquake leaves Poya hoping for help from both new acquaintances.

Space Monkey captures the clouds so that he can flood the Galaxy Kids headquarters, but the Cloud family confronts Space Monkey and his minions in the sky.

Siny receives his mother's recorded message from outer space, and the team is able to see space beyond the solar system through Siny's mother's recording.