Smallville Season 9 Episode 21 Salvation ( Air Date 2010-05-14 ) Genre Sci-Fi & Fantasy, Action & Adventure, Drama category. 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.".
Smallville Season 9 Episode 21 Salvation
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- Watch: Smallville Season 9 Episode 21 Salvation on CWR-CRB
- Stars: Tom Welling, Erica Durance, Cassidy Freeman, Justin Hartley
- Director: Turi Meyer, Anne Cofell Saunders, Tom Welling, Tom Flores, Alfredo Septién, Christopher Petry, Cristina Verano, Tim Scanlan, Jae Marchant, Brian Peterson, Kelly Souders, James Marshall, Brian Robbins, Greg Beeman, Joe Davola, Michael Tollin, Jerry Siegel, Joe Shuster
