Episode: 7×09 (Season 7 Episode 09)
Name: Gemini
Originally Aired: Dec. 13, 2007

Plot: Clark returns to Smallville from the Fortress and tells Lana that Kara is gone. Clark tells Lana they should team up to being Lex down, so she gives him all the information she’s gathered so far. Adrian secretly plants a bomb on Chloe and tells Lois if she doesn’t get Lex to admit the truth about his experiments with cloning, he will detonate the bomb. Chloe, thinking she is about to die, confesses to Jimmy that she is a meteor freak.Source: The CW