Smallville: Season 4, Episode 21

4 - 21: Forever

Clark must stop the school photographer after he sets up a secret simulated high school and begins kidnapping students -- starting with Chloe -- to keep the glory days of high school going forever. Lex and Lionel are kidnapped and tortured by the Teagues in an effort to find the crystal. However, after Genevieve realizes Lana has the crystal, she decides to put an end to the hunt once and for all...