Check out the official guide for House Season 8 Episode 21, “Holding On,” which sees the return of Thirteen, airing May 14 on Fox.
A PATIENT’S ILLNESS HAS ITS ROOTS IN THE BODY AND MIND
- Thirteen (Olivia Wilde) Returns to Princeton Plainsboro
- The team takes on the case of Derrick (guest star Skylar Astin), a 19-year-old college student who had a mysterious nose bleed during cheerleading practice, and discovers that his health issues are likely both physiological and psychological.
- Possibly suffering from schizophrenia, Derrick claims to hear his deceased brother’s voice in his head.
- Meanwhile, Wilson gets advice from former colleague Thirteen (guest star Wilde) and Foreman tries a different approach with House.

