Xenosaga: The Animation - S01

The year is T.C. 4767. Four thousand years have passed since humanity left its home planet, Earth. Harassed by the hostile alien Gnosis, mankind is now scrambling to find ways to defeat this threat to its existence. The development of KOS-MOS (a specialized android with amazing capabilities) by Vector engineer Shion Uzuki was one response to the threat. But when their ship is destroyed by the Gnosis, Shion and her companions find themselves thrust into the middle of a battle with no clear sides...