Smallville Season 2 Episode 18 Visitor ( Air Date 2003-04-15 ) Genre Sci-Fi & Fantasy, Action & Adventure, Drama category. Overview "After a schoolmate claims to be an alien and proves it by using heat vision, Clark investigates and believes the boy is from Krypton. Meanwhile, Helen confronts Lex over the locked room in the mansion that holds his investigation of Clark's secrets.".
Smallville Season 2 Episode 18 Visitor
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- Watch: Smallville Season 2 Episode 18 Visitor on CWR-CRB
- Stars: Tom Welling, Erica Durance, Cassidy Freeman, Justin Hartley
- Director: Turi Meyer, Anne Cofell Saunders, Tom Welling, Tom Flores, Alfredo Septién, Christopher Petry, Cristina Verano, Tim Scanlan, Jae Marchant, Brian Peterson, Kelly Souders, James Marshall, Brian Robbins, Greg Beeman, Joe Davola, Michael Tollin, Jerry Siegel, Joe Shuster
