Clark hears the voice of his biological mother, Lara, calling for help from Kara's crystal and decides to release her, despite Jor-El's warnings. Lara and Clark reunite and she gives him Jor-El's ring, which contains blue kryptonite. As Clark puts it on, her realizes Zor-El manipulated the whole thing and that blue kryptonite strips him of his powers, enabling Zor-El to take control of the Fortress of Solitude. Meanwhile, Chloe and Lex each discover Lois and Grant have been seeing each other and warn them to stop. Written by
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Terence Stamp, voice of Jor-El is credited as a Special Guest Star. See more
Hey! Hey! Hey! I know the blue K is seriously cramping your style, but you don't have to grind your finger off!
Chloe, I don't know what else to do. It's unbreakable.
Okay, look, considering what all the other flavors of kryptonite do, being normal may not be such a bad thing.
References Raging Bull