4000 years have passed since humanity abandoned Earth. Forced to fight an alien form of life, Gnosis, mankind developed KOS-MOS - a battle android with amazing capabilities. When a ship carrying android is being attacked, KOS-MOS gets activated and save its creator, Shion Uzuki. But KOS-MOS doesn't want to listed her orders and executes some unknown plan. After their ship destroyed Shion and her companions find themselves thrust into the middle of a battle with Gnosis, U-TIC Organization and their own superiors. Battle with no clear sides.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Awakening | 2005-01-06 | 30 min |
| Season 1 | Episode 2 | Sinking | 2005-01-13 | 30 min |
| Season 1 | Episode 3 | Encounter | 2005-01-20 | 30 min |
| Season 1 | Episode 4 | Place of Death | 2005-01-27 | 30 min |
| Season 1 | Episode 5 | Grotesque | 2005-02-03 | 30 min |
| Season 1 | Episode 6 | Dropping Anchor | 2005-02-10 | 30 min |
| Season 1 | Episode 7 | Encephalon | 2005-02-17 | 30 min |
| Season 1 | Episode 8 | Memories | 2005-02-24 | 30 min |
| Season 1 | Episode 9 | Song | 2005-03-03 | 30 min |
| Season 1 | Episode 10 | Weapon | 2005-03-10 | 30 min |
| Season 1 | Episode 11 | Obsession | 2005-03-17 | 30 min |
| Season 1 | Episode 12 | KOS-MOS | 2005-03-24 | 30 min |
| Production | Takao Yoshizawa | Producer |
| Writing | Yuichiro Takeda | Series Composition |
