The Greatest Invasion

is the fifty-ninth episode of Ultraman Cosmos.
==Plot==
At last, Chaos Header begins a full-on assault. Chaos Ultraman returns from the depths of hell. EYES resists, but has no hope against such overwhelming power. The days of peace come to an end as the desperate battle to survive begins!
==Cast==
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==Appearances==
===Ultras===
*Ultraman Cosmos
**Luna Mode
**Corona Mode
**Eclipse Mode
===Kaiju===
*Chaos Ultraman
**Chaos Ultraman Calamity
==Home Media==
*Ultraman Cosmos Volume 14 features episodes 57, and 59-61.
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Category:Ultraman Cosmos Episodes
Category:Episodes
Category:Ultraman Cosmos