Which doesn't explain why every episode of Smallville is exactly the same..
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Every episode of Smallville can be created by randomly mixing 1 or more of these 5 elements:
1) Kryptonite powered bad guy.
2) Discovered Kryptonian artifact.
3) Clark and Lana almost get together then break-up.
4) Clark discovers a new power.
5) Clark finds a new reason not to trust Lex.
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Exactly! The show really started to annoy the shit out of me, by the third season, when the writers would pull the same crap as stated above - and in almost every episode have it so that Chloe or Lana almost find out about Clark, but faint just in time for them to not see him arrive just in time to use his "abilities" to save the day. Lather, Rinse, Repeat.