Smallville Season 5 Episode 21 Oracle ( Air Date 2006-05-04 ) Genre Sci-Fi & Fantasy, Action & Adventure, Drama category. Overview "Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get the vaccine from Lex.".
Smallville Season 5 Episode 21 Oracle
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- Watch: Smallville Season 5 Episode 21 Oracle on CWR-CRB
- Stars: Tom Welling, Erica Durance, Cassidy Freeman, Justin Hartley
- Director: Turi Meyer, Anne Cofell Saunders, Tom Welling, Tom Flores, Alfredo Septién, Tim Scanlan, Cristina Verano, Jae Marchant, Christopher Petry, James Marshall, Kelly Souders, Brian Peterson, Brian Robbins, Joe Davola, Michael Tollin, Greg Beeman, Jerry Siegel, Joe Shuster
