Smallville: Gemini

After a two week absence, Clark returns to Smallville from the Fortress and tells Lana that Kara is gone. Clark tells Lana they should team up to bring Lex down, so she gives him all the information she's gathered so far, including a report on a man named Adrian, who was infected with an alien substance. Adrian secretly plants a bomb on Chloe and tells Lois if she doesn't get Lex to admit the truth about his experiments with 33.1, he will detonate the bomb. Chloe, thinking she is about to die, confesses to Jimmy that she is a meteor freak. It also turns out Clark has been replaced by Bizarro and is insinuating himself into Clark's life while Clark remains trapped in the Fortress.