The United States government tries to prevent an asteroid from colliding with the Earth.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Their Promise | 2020-01-03 | 25 min |
| Season 1 | Episode 2 | The Riverside Milky Way | 2020-01-10 | 25 min |
| Season 1 | Episode 3 | Memories are Treasures | 2020-01-17 | 25 min |
| Season 1 | Episode 4 | Exciting! Summer Camp! | 2020-01-24 | 25 min |
| Season 1 | Episode 5 | Everyone's Summer Break | 2020-01-31 | 25 min |
| Season 1 | Episode 6 | Hoshizaki Festival! | 2020-02-07 | 25 min |
| Season 1 | Episode 7 | The Starry Sky is a Time Machine | 2020-02-21 | 25 min |
| Season 1 | Episode 8 | Winter Diamond | 2020-02-28 | 25 min |
| Season 1 | Episode 9 | True Feelings | 2020-03-06 | 25 min |
| Season 1 | Episode 10 | Rain with Occasional Fortune Telling | 2020-03-13 | 25 min |
| Season 1 | Episode 11 | Shining Star Challenge! | 2020-03-20 | 25 min |
| Season 1 | Episode 12 | Connected Cosmos | 2020-03-27 | 25 min |
