Season 3 introduces several figures who expand the show's connection to the broader Superman lore:
: The season explores the "devil's bargain" Jonathan Kent made with Jor-El to rescue Clark from his red-kryptonite-fueled exile in Metropolis. Clark's Growth : Clark develops Super Hearing smallville season 3
Lex and Lionel's relationship reaches a breaking point. Lionel attempts to drive Lex insane, eventually succeeding in having him committed to Belle Reve and subjected to electroshock therapy to erase his memories of Lionel's crimes. This culminates in Lionel's arrest after a joint sting by Lex and the FBI. The Departure of Friends: Season 3 introduces several figures who expand the