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Superman created by Jerry Siegel & Joe Shuster.

"Smallville" is based on DC Comics characters.

Originally broadcast on television during the 2007-2008 season.

Special features: Cast/creator commentaries on 2 key episodes ; unaired scenes ; Supergirl featurette ; Jimmy Olsen featurette ; mobisodes gallery ; digital comic book.

Directors include Kenneth Biller ; writers include Holly Henderson, Don Whitehead ; music by Louis Febre ; special effects supervisor, Mike Walls.

Tom Welling, Michael Rosenbaum, Kristin Kreuk, Allison Mack, Erica Durance, Aaron Ashmore, Laura Vandervoort, John Glover ; guest stars include Dean Cain, Helen Slater, Christina Milian, Christopher Heyerdahl, James Marsters, Justin Hartley, Alisen Down, Corey Sevier, Connor Stanhope, Sam Jones III, Jonathan Scarfe, Robert Picardo, Ari Cohen, Donnelly Rhodes.

There are two Clark Kents. One is the young man whose life in a tiny Kansas town sets him on destiny's path. The other is Bizarro who shares Clark's DNA but not his values. Only one of them can survive. This season includes the arrival of Clark's cousin Kara/Supergirl. Plus, Lana Lang might prefer Bizarro to the real deal and Lois Lane makes a career leap. Chloe Sullivan finds that balancing a meteor power with a personal life isn't easy and Lex Luthor's power-lust has a new fixation--Kara.

MPAA rating: Not rated.

DVD, region 1, widescreen presentation, enhanced for widescreen TVs; Dolby digital 5.1 surround, Dolby digital surround stereo., dual-layer format(discs 1-5).

In English or dubbed Portuguese with optional English, French, Spanish, Chinese, Korean, Portuguese or Thai subtitles; closed-captioned.

Emmy Awards, 2008: Outstanding Sound Editing for a Series (for episode Bizarro).