217. Rosetta
After seeing a newspaper photo of a Kryptonian symbol burned into the side of the Kents' farmhouse, a reclusive physicist (Christopher Reeve) takes an interest in Clark and offers the teen information on his alien origins.
• Tue, Feb 25, 2003
• Directed by James Marshall
• Writer: 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). Annette O'Toole (Martha Kent). John Schneider (Jonathan Kent). Christopher Reeve (Dr. Virgil Swann). Rob LaBelle (Dr. Fredrick Walden). Barclay Hope (Doctor). Joe MacLeod (Delivery Guy).
218. Visitor
Clark thinks an awkward new student who claims to be an extraterrestrial might be telling the truth after he sees the teen start a fire with his eyes and heal a sick horse with his touch.
• Tue, Apr 15, 2003
• Directed by Rick Rosenthal
• 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). Emmanuelle Vaugier (Dr. Helen Bryce). Jeremy Lelliott (Cyrus Krupp). Chad Faust (Kyle). Kris Pope (Todd). Jake Moyer (Bully). Kwesi Ameyaw (Lex's Security Guard Darius).
219. Precipice
Clark is arrested and his family faces a civil lawsuit after the teen defends Lana by hurling an unruly college student onto the hood of an oncoming police car.
• Tue, Apr 22, 2003
• Directed by Thomas J. Wright
• Writer: Clint Carpenter
• 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). Camille Mitchell (Sheriff Nancy Adams). Emmanuelle Vaugier (Dr. Helen Bryce). Julian Christopher (Dr. MacIntyre). Anson Mount (Paul Hayden). Michael D. Adamthwaite (Andrew Connors). P.J. Prinsloo (Punk). Chris Harrison (Punk). Peter Kent (Meechum). Michael Soltis (Deputy Nees).
220. Witness
Clark witnesses a popular Smallville baseball player steal a shipment of refined kryptonite from a LuthorCorp truck to enhance his athletic abilities.
• Tue, Apr 29, 2003
• Directed by Rick Wallace
• 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). Camille Mitchell (Sheriff Nancy Adams). Patrick Cassidy (Henry Small). Eileen Pedde (Jennifer Small). Zachery Bryan (Eric Marsh). Woody Jeffreys (Jack). Nick Harrison (John).
221. Accelerate
Lana thinks she sees the ghost of a childhood friend who died years before when she's visited by a 10-year-old girl (Jodelle Micah Ferland), so Clark sets out to find a logical explanation for the incidents.
• Tue, May 6, 2003
• Directed by James Marshall
• Story by Todd Slavkin and Darren Swimmer Teleplay by 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). Camille Mitchell (Sheriff Nancy Adams). Neil Flynn (Mr. Dinsmore). Jodelle Micah Ferland (Emily Eve Dinsmore). Jade Unterman (Young Lana Lang). Ingrid Torrance (Wedding Planner).
222. Calling
Part 1 of two. Clark kisses Lana, then he hears a cryptic message from an unknown source that matches the ranting of a crazed linguist who was injured by a Kryptonian energy beam while inspecting the cave.
• Tue, May 13, 2003
• Directed by Terrence O'Hara
• Writer: Kenneth Biller
• 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). Terence Stamp (Jor-El (voice)). Emmanuelle Vaugier (Dr. Helen Bryce). Rob LaBelle (Dr. Fredrick Walden). David Lewis (Dr. Marcus). Sandra Ferens (Coroner). James Tsai (Technician).
223. Exodus
The conclusion of a two-part episode in which Clark learns the mysterious voice calling to him belongs to his Kryptonian father, who tells him to leave Smallville to prepare for his role as Earth's ruler.
• Tue, May 20, 2003
• Directed by Greg Beeman
• Writer: 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). Terence Stamp (Jor-El (voice)). Emmanuelle Vaugier (Dr. Helen Bryce). Rekha Sharma (Dr. Harden). Ivana Paduch (Lexcorp Cave Scientist). Arnie Walters (Reverend). Dan Payne (Lexcorp Airport Security).
