So... is Final Fantasy: The Spirits Within finished or not?
It is a bit ambiguous in this case.
Why?
All detected relations are finished, but we could not confirm the source content in MangaUpdates. Please check the release order section for a complete list of relations.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Synopsis
In a future Earth overrun by ghostly alien creatures called Phantoms, humanity clings to survival within protected cities.
Scientist Aki Ross, along with her mentor Dr. Sid, believe they've discovered a way to defeat the Phantoms using a special spiritual energy.
Supported by a military squad and facing opposition from within their own ranks, Aki and her team race against time.
They must overcome both the deadly Phantoms and human resistance to save the planet.