"Kneel Before Zod" featurette: An in-depth look at this dynamic criminal from Krypton, his origins in DC's silver age, and his various appearances in more recent film, animation, and live-action television
"Justice for All" featurette: Meet with Smallville's creative team as they bring the Justice Society of America, one of the comic world's most iconic teams of superheroes, to television for the first time
Cast/creator commentaries on episodes Idol and Kandor
Unaired scenes