Smallville › Season 9 › Episode 17
Smallville Season 9 Episode 17“Upgrade”
The CW · S9E17 · Aired April 16, 2010 · 60 min · ★ 6.5/10
John Corben rescues Lois from an explosion at one of Tess' labs. While investigating the explosion, Clark is infected with red Kryptonite and under its influence takes Zod to the fortress. Later, Chloe agrees to help Tess by sending John to the fortress to keep Clark from exposing the truth.
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