The Universe Begins

"The Universe Begins" will be the 1st episode of Season 1 and the 1st episode of World in the Universe, as well as the season premiere of Season 1, and as well as the series premiere of World in the Universe. It will be the first half-hour episode, with Part 1 being 101A and Part 2 being 101B. It will air on October 7, 2023.

Part 1
Earth and his siblings of celestial objects are finally allowed to travel outside of the Sun's Solar System. But the Sun is worried what would happen if they get hurt by an asteroid.

Part 2
When Earth and his siblings are traveling across the universe, he found a system of seven exoplanets who seem to be the same size as him and Venus.