Smallville S4E19: Blank
- Aired: 2005-04-27
- Time: 20:00:00
- Runtime: 60 minutes
Overview
Clark's entire memory ends up getting erased when he confronts a thief who has a kryptonite-based ability to wipe out people's short-term memories. As Clark learns about his life, he's shocked to discover that he has superpowers.