Smallville: Season 3, Episode 9

3 - 9: Asylum

Lex teams up with three krypto-villains to lure Clark to the hospital to enlist his help in escaping after he hears that Lionel has requested Lex be given electroshock therapy to erase his memory. However, the plan goes awry when the villains double-cross Lex and use kryptonite to steal Clark's powers. Meanwhile, Lana meets a mysterious new stranger in the hospital...