Smallville (2001–2011)
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Lionel Luthor, using one of the Kryptonian stones, attempts to swap bodies with Lex but inadvertently transfers bodies with Clark, leading to him learning a few secrets, including that of Clark's powers.


James Marshall


Jerry Siegel (character created by: Superman), Joe Shuster (character created by: Superman) | 4 more credits »




Episode cast overview:
Tom Welling ... Clark Kent / Lionel Luthor
Kristin Kreuk ... Lana Lang
Michael Rosenbaum ... Lex Luthor
Jensen Ackles ... Jason Teague
Allison Mack ... Chloe Sullivan
John Glover ... Lionel Luthor / Clark Kent
Annette O'Toole ... Martha Kent
John Schneider ... Jonathan Kent
J.P. Manoux ... Edgar Cole
Margot Kidder ... Bridgette Crosby
Richard Faraci Richard Faraci ... Tattoed Inmate (as Rick Faraci)
Terence Kelly ... Prison Doctor


Coach Jason Teague stops by at Kent Farm to tell him a scout may get him a football scholarship on Friday, but Clark super-hears a painful noise which calls him to Kansas State Penitentiary, where his supervision sees that Lionel Luthor has one of the stones with the Kryptonian markings in which he is attempting to use the magical stone to attack the visiting Lex. So, Clark jumps between them and is hit instead. Next moment, Clark is trapped in Lionel's body and dragged to his cell, where innocently fraud-framed cell-mate Edgar is surprised it's not Luthor but explains it's all due to the stone from a Mayan idol, and worse still, Clark (trapped in Lionel's body) learns that he's dying from a rare liver disease. Meanwhile, Lionel enjoys his freedom, even more as he discovers Clark's super-powers and willingly wrecks just about everybody's lives, yet is fully frustrated to find Lex left nothing from the fortune on his Swiss bank account. Written by KGF Vissers

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Plot Keywords:

bare chested male | See All (1) »


TV-PG | See all certifications »






Release Date:

27 October 2004 (USA) See more »

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Technical Specs


Sound Mix:




Aspect Ratio:

1.78 : 1
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Did You Know?


Margot Kidder shared her birthday with Michael McKean, who plays Perry White in "Smallville: Perry (2003)" and "Smallville: Hostage (2010)". See more »


Clark Kent: Lex, I have a favor to ask.
Lex Luthor: Name it.
Clark Kent: Well, it has to do with your father's cell mate. He's actually the one that helped me through this whole ordeal. He saved my life. He swears he was framed.
Lex Luthor: Clark, a lot of convicts swear they've been framed.
Clark Kent: But I believe him. And I promised him that if I got out, I'd do everything in my power to help him. And Lex, you're the only one that I know with the resources who might be able to help.
Lex Luthor: Well, if I can manage to put a guilty man in prison, maybe I can ...
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Featured in Smallville: Blank (2005) See more »


Written by Jim Adkins, Tom Linton, Rick Burch and Zach Lind
Performed by Jimmy Eat World
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User Reviews

Destructive Being
26 May 2006 | by claudio_carvalhoSee all my reviews

While being visited by coach Jason Teague in Kent Farm, Clark Kent hears a painful noise. Following the signal, he goes to Smallville prison, where Lex visits his father Lionel Luthor. Clark sees a Kryptonian stone hidden in Lionel's hand, and he pushes Lex from his father. However, Lionel touches Clark, and they swap bodies. Lionel finds the abilities of Clark , while destroying his friendships and relationships, and Clark lives in hell in a sick body.

"Transference" is definitely the best episode of the Fourth Season, and one of the best in the whole series. In this key episode, we see how affected is the life of Clark with his friends and his passion for football. By the other hand, we can also see how destructive Lionel Luthor is, sickening even his own body. My vote is ten.

Title (Brazil): "Transferência" ("Transference")

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