Alicia (from "Obsession") is supposedly cured and returns to Smallville to start things back up with Clark. When she pushes for more and he turns reluctant, Alicia expoess him to red kryptonite, and the two go off to Las Vegas to get married. Meanwhile, Lana questions whether sex may prove the key to winning Jason back.
Elenco: Tom Welling , Erica Durance , Allison Mack , Aaron Ashmore , Annette O'Toole , Callum Blue , Cassidy Freeman , Eric Johnson , James Marsters , Jensen Ackles , John Glover , John Schneider , Justin Hartley , Kristin Kreuk , Laura Vandervoort , Michael Rosenbaum , Sam Witwer , Samuel L. Jones .