Smallville (2001–2011)
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Clark gets his Smallville class ring, but these rings contain RED KRYPTONITE making him turn into DARK CLARK.


Jeff Woolnough


Jerry Siegel (character created by: Superman), Joe Shuster (character created by: Superman) | 3 more credits »

On Disc

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Episode complete credited 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
Sara Downing ... Jessie Brooks
Michael Tomlinson ... U.S. Marshal
Garwin Sanford ... Mr. Brooks
Daryl Shuttleworth ... Vice Principal Gibbons
Geoff Clements Geoff Clements ... Kyle
Brad Loree ... Barkeeper
Jake Moyer Jake Moyer ... Barroom Bully


When Clark Kent buys a ruby class ring, the red stone is indeed red kryptonite. When he puts it on, his personality is instantly affected, and the former sweet and friendly teenager becomes dark, selfish and ambitious, hurting his parents and his closest friends. He dates Lana Lang, but the rebel Clark dumps her to be with the hot new-arrival in town Jessie Brooks in a night-club. But Jonathan does not give up on him and tries to save Clark from the effects of the red stone with Pete's help. When Clark learns that Jessie and her father are actually fugitives from a witness relocation program pursued by a corrupt federal agent, Clark decides to take matters into his own hands. Elswhere, the blind Lionel becomes more of an annoyance to Lex, forcing him to make some changes. Written by Claudio Carvalho, Rio de Janeiro, Brazil

Plot Summary | Add Synopsis

Plot Keywords:

red kryptonite | See All (1) »


TV-PG | See all certifications »






Release Date:

15 October 2002 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.78 : 1
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Did You Know?


Tom Welling couldn't drive a motorcycle prior to this episode. See more »


During the opening scene, behind Jesse you can see the vice principal walk up behind her and reach out as he's about to put his hand on her shoulder, yet the very next shot of Lana, in the background you can see he's just exiting a room. See more »


Clark Kent: When I put that ring on, I felt the sudden urge to tell the whole world my secret. Lex, Lana, Jessie.
Martha Kent: But you didn't, Clark.
Clark Kent: I know, but the feelings are still there. It's like I have these two identities, and I don't know which one's the real me.
Martha Kent: The real you is the one who came back to us. And we never had any doubt that you would.
See more »


Featured in Smallville: Blank (2005) See more »


Written by Sprung Monkey and Steve Summers
Performed by Sprung Monkey
See more »

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User Reviews

29 June 2018 | by travioraptorSee all my reviews

One flaw tho, when the US marshal pulled out his gun, he cocks it, but it's in the position it would be if you ran out of ammo

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