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Season 1 - Oct. 16, 2001
Season 2 - Sep. 24, 2002
Season 3 - Oct. 01, 2003
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Season 5 - Sep. 22, 2005
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Season 8 - Sep. 18, 2008
Season 9 - Sep. 25, 2009
Season 10 - Sep. 24, 2010
Smallville Season 9 Episode 21
HD
Overview:
When Zod and the Kandorians launch their brutal attack on Earth, Chloe calls in some old friends to join the fight against the aliens. Clark and Zod face off in an epic battle for the control of Earth.