Space

Space (or Outer Space) is a continuous void of highly separated physical objects or stars. It appears in later episodes of Battle for Dream Island and their appearance was also in Battle for BFDI.

Coverage
In Sweet Tooth, Needle's cake somehow grew to the size of a planet, making Earth a triple planet system, and eventually becoming bigger than Earth. However, it was popped by Needle in Bridge Crossing. During this event, various glimpses of space can be seen.

In Rescission, space is mentioned in Announcer's diary, which reveals that he came from an alien planet in space.

The contestants are flung into space (due to budget cuts) at the beginning of Gardening Hero, and the remainder of the episode takes place there. They return to Earth in the next episode.

In The Long-lost Yoyle City, Yoyle Mountain's real summit is so tall that it actually reaches space. This is the only time space ever appeared in BFDIA.

In Gardening Hero, Yeah, Who? I Wanna Know!, and Getting Teardrop to Talk, Black Hole is shown have lived in space instead of on Earth because of how big he was. However, he was crushed down to a smaller size and he now lives in Goiky with the other contestants.

In Getting Teardrop to Talk, Pillow theorizes that when one does the "fluttery arms" gesture, it means that the last of their "care spirit" is sucked out of their fingers and into Space. However, this isn't true.

In Four Goes Too Far, teams and  go to space to try to get away from The Twinkle, but Saw catches it and brings it to space with them. The Twinkle is returned to earth when Taco tells Bell to look at the moon, and Bell catches The Twinkle.

In The Liar Ball You Don't Want, and  were still in space on the moon. They were trying to have a plan to have Robot Flower control Remote but later failed because of the bomb. Later on, the Liar Ball which contains Loser was sent to space most likely because of Remote’s explosion.

In Questions Answered, Donut uses his special camera to bring the Earth to the Moon to start Cake at Stake.

Trivia

 * The laws of space apparently don't apply, as the contestants can breathe and Ice Cream Cake does not explode, although normal cake apparently still does.
 * Stars are very small, and they can be taken and played with like a ball.
 * Black Hole originally lived in space until Four crushed him down to compete in BFB.