S4E14
Episode 14: Krypto
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
Clark takes in a dog with superpowers after Lois accidentally hits the pooch with her car. While looking for its owner, he discovers the dog was part of a LuthorCorp experiment and was being used to commit crimes. Elsewhere, Genevieve is revealed to be the person who helped free Lionel from prison.