Smallville (2001)

S9E1 Savior

Clark informs Jor-El of his eagerness to commence his training, but Jor-El instructs him to return to Metropolis to sever his relationship with Lois first. Chloe is taken aback when Lois suddenly reappears after weeks of being missing, yet Lois has no memory of her disappearance involving the Legion ring. Chloe pleads with Clark to utilize the Legion ring to travel back in time and rescue Jimmy, but he declines, creating tension in their friendship. Meanwhile, Zod makes his entrance at the Luthor mansion...