Clark and Lana discover an abandoned baby in a cornfield and take him back to the Kent farm. But when the newborn ages to a 7-year-old in a matter of days, Clark and Lana frantically search for a cure before the rapid-aging disease kills him. Meanwhile, Genevieve (Jane Seymour) orders Lionel to kill Lana or Genevieve will send him back to prison.

Season 4 | Episode 20

Allison Mack

as Chloe Sullivan

Annette O'Toole

as Martha Kent

Erica Durance

as Lois Lane

John Schneider

as Jonathan Kent

Kristin Kreuk

as Lana Lang

Michael Rosenbaum

as Lex Luthor

Tom Welling

as Clark Kent