Smallville (15/21)

Clark must solve the riddle of the mysterious Nicodemus flower and Lex's suspicious involvement with it. The plant infects the residents of Smallville, removing their inhibitions: Jonathan becomes lazy, Lana tries to seduce Clark and Pete attempts to kill Lex. The victims then go into a deadly coma.

Tom Welling, Michael Rosenbaum, Allison Mack, Kristin Kreuk, Annette O'Toole, John Schneider