Smallville 6x18 Progeny Season 6 Season 0 0 EpisodesSeason 1 21 EpisodesSeason 2 23 EpisodesSeason 3 22 EpisodesSeason 4 22 EpisodesSeason 5 22 EpisodesSeason 6 22 EpisodesSeason 7 20 EpisodesSeason 8 22 EpisodesSeason 9 21 EpisodesSeason 10 21 Episodes 6x1 - Zod 6x2 - Sneeze 6x3 - Wither 6x4 - Arrow 6x5 - Reunion 6x6 - Fallout 6x7 - Rage 6x8 - Static 6x9 - Subterranean 6x10 - Hydro 6x11 - Justice 6x12 - Labyrinth 6x13 - Crimson 6x14 - Trespass 6x15 - Freak 6x16 - Promise 6x17 - Combat 6x18 - Progeny 6x19 - Nemesis 6x20 - Noir 6x21 - Prototype 6x22 - Phantom Lex discovers that Chloe's mother has special abilities and forces her to help him in exchange for Chloe's life. However, she has a trick or two of her own to use to escape.