Lionel has a lesson for Connor in this Smallville clip. What does it mean to be a Luthor?
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A major reveal takes place on this episode of Smallville. Enjoy your first look at "Scion" via this official CW preview.
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Smallville Season 10 Episode 16 Quotes

Lionel: You can't hide Alexander from me forever.
Tess: I'm saving him from an encore performance of Daddy Dearest.

So it's not just the Luthor males who like secrets.

Lionel