[s13e13] Cure (2026)

It is discovered that Dr. Knox is actually an immortal serial killer who harvests organs from his patients to keep his ageless wife, Sophia, alive.

Lana Lang begins monitoring Lex secretly through her Isis Foundation. Reception [S13E13] Cure

In a nod to his former role, Cain's character uses a handkerchief with the initials "C.K." in the opening scene. It is discovered that Dr

The episode reveals Dr. Knox is centuries old, having previously gone by names including Jack the Ripper. [S13E13] Cure