Football. Prom. Graduation. Lois Lane. Doomsday! Clark Kent will have plenty of reasons to remember his senior year! In the fourth season of the thrilling reinterpretation of the Superman legend, these 22 episodes include the quest for three Kryptonian crystals and Clark's bold attempt to keep those mysterious stones from destroying Earth. Clark also becomes a highly recruited football star. Lana gets a boyfriend. Lois Lane (Erica Durance) — smart, opinionated and entirely annoying to Clark — comes to Smallville. Chloe learns the scoop of the century. Lionel becomes a straight-up nice guy. Lex steps further from the light into darkness as his friendship with Clark is really put to the test. New actors (Kyle Gallner, Dr. Quinn’s Jane Seymour and Supernatural’s Jensen Ackles), new characters (The Flash, Krypto, Mr. Mxyzptlk) and a new power emerge. The calling awaits Clark an awakening to a destiny that only he can accept and fulfill.