[s13e13] Cure Now

Discuss the impact of this episode on .

Lex Luthor hires Knox, believing his work is legitimate. He is unaware of the murderous side effects, making it another instance where Lex's pursuit of power blinds him to the morality of his partners. [S13E13] Cure

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. Discuss the impact of this episode on

The Martian Manhunter (John Jones) warns Clark that Kara (Laura Vandervoort) cannot be trusted, revealing that her father, Zor-El, tried to kill Jor-El. Kara actively works against Clark to find her spaceship crystal. It is discovered that Dr

Lex provides a surprise assist to Clark, helping him locate the facility in time to save Chloe from having her heart harvested by Knox. Cast and Crew Director: Rick Rosenthal Writers: Al Septien and Turi Meyer

Tell you more about role in the wider DC universe.

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