Scott and his friends follow Dr. Valack's advice and experience strange effects as a result.
Episode rating
Cast of episode
54
26
7
5
4
2
1
- Stiles Stilinski
- Liam Dunbar
- Lydia Martin
- Malia Tate
- Theo Raeken
- Scott McCall
- Deputy Jordan Parrish
- Kira Yukimura
- Mason Hewitt
- Melissa McCall
- Sheriff Noah Stilinski
- Natalie Martin
- Hayden Romero
- Deputy Valerie Clarke
- Mrs. Finch
- Brett Talbot
- Young Scott McCall
- Josh Diaz
- Claudia Stilinski
- The Surgeon
- The Pathologist
- The Geneticist
- Sydney
- Lorraine Martin
- Phil