Following are episodes that aired as part of season 2 of Smallville.
201. Vortex
Clark rescues Lana from a destructive twister that tears through town, but his good fortune is short-lived as he discovers that his dad is missing.
• Tue, Sep 24, 2002
• Directed by Greg Beeman
• Story by Alfred Gough and Miles Millar Teleplay by Philip Levens
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Mitchell Kosterman (Sheriff Ethan Miller). Tom O'Brien (Roger Nixon). Rekha Sharma (Dr. Harden). Julian Christopher (Dr. MacIntyre). Jerry Wasserman (Dr. Yaeger Scanlan).
202. Heat
Lex impulsively marries a woman two weeks after he meets her, unknowingly moved by her ability to control a man's mind by emitting a kind of pheromone mist.
• Tue, Oct 1, 2002
• Directed by James Marshall
• Written by: Mark Verheiden
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor*). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Mitchell Kosterman (Sheriff Ethan Miller). Krista Allen (Desiree Atkins). Shawn Reis (Jail Deputy).
203. Duplicity
Clark tells Pete about his extraterrestrial powers after Pete finds Clark's spaceship and insists on hiding it in a shed in his own yard, but the craft is soon stolen by a scientist.
• Tue, Oct 8, 2002
• Directed by Steve Miner
• Writer: Todd Slavkin and Darren Swimmer
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Sarah-Jane Redmond (Nell Potter). Joe Morton (Dr. Steven Hamilton). Andrew Jackson (Ray Wallace). Michael Kopsa (Dean). Cameron Cronin (Dr. Glenn).
204. Red
Clark's behavior radically changes after getting his school ring, which has a red kryptonite stone in the setting.
• Tue, Oct 15, 2002
• Directed by Jeff Woolnough
• Written by: Jeph Loeb and Mark Verheiden
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Sara Downing (Jessie Brooks). Michael Tomlinson (U.S. Marshal). Garwin Sanford (Mr. Brooks). Daryl Shuttleworth (Vice Principal Gibbons). Geoff Clements (Kyle). Brad Loree (Barkeeper). Jake Moyer (Barroom Bully).
205. Nocturne
A teen who is kept locked in the basement of his parents' house during the day sneaks out at night and leaves love letters for Lana at her parents' graves.
• Tue, Oct 22, 2002
• Directed by Rick Wallace
• Writer: Brian Peterson and Kelly Souders
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Mitchell Kosterman (Sheriff Ethan Miller). Sean Faris (Byron Moore). Gwynyth Walsh (Mrs. Moore). Richard Moll (Mr. Moore). Jonathan Sutton (Tad).
206. Redux
Family secrets abound as Martha goes behind Jonathan's back to ask her father for money after the family's bills pile up; and Lana finds pictures of her mother with another man that were taken after her parents were married.
• Tue, Oct 29, 2002
• Directed by Chris Long
• Writer: Russel Friend and Garrett Lerner
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor*). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Sarah-Jane Redmond (Nell Potter). Maggie Lawson (Chrissy Parker). Richard Gant (Principal Reynolds). George Coe (William Clark). Jesse Hutch (Troy Turner). Neil Grayston (Russell Burton). Fulvio Cecere (Swimming Coach).
207. Lineage
A woman (Blair Brown) arrives in Smallville and tells Clark that she's his biological mother and informs Lex that Lionel is the father.
• Tue, Nov 5, 2002
• Directed by Kenneth Biller
• Story by Kenneth Biller Teleplay by Alfred Gough and Miles Millar
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). John Glover (Lionel Luthor). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Mitchell Kosterman (Sheriff Ethan Miller). Patrick Cassidy (Henry Small). Blair Brown (Rachel Dunleavy). Malkolm Alburquenque (Young Clark). Matthew Munn (Young Lex Luthor). Angela Moore (DNA Doctor). Shelly Schiavoni (Jennifer Small).
208. Ryan
Clark rescues a teenage mind reader (Ryan Kelley) from a laboratory where a maniacal scientist performs cruel cognitive experiments on the youngster.
• Tue, Nov 12, 2002
• Directed by Terrence O'Hara
• Writer: Philip Levens
• Cast: Tom Welling (Clark Kent). Kristin Kreuk (Lana Lang). Michael Rosenbaum (Lex Luthor). Sam Jones III (Pete Ross). Allison Mack (Chloe Sullivan). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Mitchell Kosterman (Sheriff Ethan Miller). Sarah-Jane Redmond (Nell Potter). Ryan Kelley (Ryan James). Martin Cummins (Dr. Garner). William B. Davis (Mayor Tate). Mark Gibbon (Deputy). Catherine Lough Haggquist (Mary). Michael St. John Smith (Lab Technician). Sylvesta Stuart (Orderly).
