Originally aired April 16, 2010
Written by Drew Landis & Julia Swift
Directed by Michael Rohl
After Lois narrowly escapes an explosion at one of Tess' labs, Clark investigates the lab, only to be exposed to Red Kryptonite. Under the red meteor rock's influence, Clark joins forces with Zod, and Chloe calls on an unlikely ally for help.
Tropes present in the episode:
- Enemy Mine: Clark, under the effects of Red Kryptonite, teams up with Zod to take out Chloe's stockpiles of Kryptonite weapons.
- G-Rated Drug: Red Kryptonite, naturally.
- Heel–Face Turn: Corben goes through one in this episode after having served as the main antagonist in "Metallo."
- He's Back!: John Corben returns in this episode.
- I Want My Beloved to Be Happy: In the final act, when Lois tells him she's in love with someone else, Corben just smiles and accepts it without bitterness.
- The Power of Blood: In the final scene, Zod cuts his palm and uses his blood to give the Kandorians their powers.
- Red Eyes, Take Warning: Clark's eyes flash red briefly while he's on Red Kryptonite.
- Villainous Rescue: In the teaser, after an explosion rocks the lab, Lois falls down an elevator shaft...and lands in the arms of John Corben.
- What the Hell, Hero?: Red!Clark's response to Chloe after learning she and Oliver have been hiding Kryptonite weapons around the world.Clark: You and Oliver...betrayed me.Chloe: It's actually a lot worse than it sounds...Clark: You're stockpiling weapons around the world that can kill me!Chloe: Not you! Kryptonians!Clark: I'm Kryptonian!
- Would Hit a Girl: Red!Clark knocks Chloe to the floor.
