The CW's Official Description For The Season 9 Premiere - "Savior":
Clark (Tom Welling) tells Jor-El he’s ready to start his training, but Jor-El sends him back to Metropolis to cut ties with Lois before he can begin.
Chloe (Allison Mack) is shocked when Lois (Erica Durance) suddenly reappears after having been missing for weeks, but Lois has no recollection of vanishing into thin air with the Legion ring.
While investigating a monorail crash, Lois meets John Corben (guest star Brian Austin Green), a new reporter at The Daily Planet, with a negative attitude toward the Red-Blue Blur.
Chloe begs Clark to use the Legion ring to go back in time to save Jimmy, but he refuses, driving a wedge into their friendship.
Meanwhile, Oliver (Justin Hartley) continues down a dark road.
Zod (Callum Blue) arrives at the Luthor mansion...
Kevin Fair directed the episode written by Brian Peterson & Kelly Souders
Source: Kryptonsite