S3, E15: In the season finale written and directed by series creator Ryan Murphy, The Carver goes on a slashing binge and attacks a sorority house as Kit (recurring guest star Rhona Mitra) grows closer to catching her nemesis. Sean, Christian, Matt and Cherry Peck (recurring guest star William Belli) are involved in separate games of torture. Julia makes a discovery about her pregnancy. And the identity of The Carver is finally revealed.