Smallville - The Complete Fourth Season (DVD, 2005, 6-Disc Set) Sealed. Join Clark Kent on his journey to becoming Superman in the fourth season of Smallville. This 6-disc set features all 22 episodes in PAL format and a run time of 889 minutes. Rated M for mature audiences, this action-packed adventure drama is perfect for fans of the superhero sub-genre. Starring Tom Welling and Kristin Kreuk, this standard edition DVD from Warner Bros is housed in a tall/DVD case and includes English language with region code DVD: 4 (AU, NZ, Latin America...). Get your hands on this sealed DVD and add it to your Smallville collection today!