|"Unnamed Planet" is not an official name. It may have been referenced in the storyline as such, but has not been officially named. Alternatively, it may be a name popular among fans, but without an official basis.|
|First Appearance:||Why Are We Here?|
This planet, though unnamed, is where the first ten seasons of the series takes place.
- It is unknown if locations the characters were teleported to during Season 3, such as Battle Creek, are on this planet.
- This planet is represented by several maps in Halo: Combat Evolved, Halo 2, and Halo 3.
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