Not Cancerhouse M.d. : Season 5 Episode 2 Today

: A math teacher who received a corneal transplant and is the focus of the case.

: House attempts to find a new best friend, even "auditioning" a doctor who likes monster trucks, but realizes no one can replace Wilson's unique dynamic. Not CancerHouse M.D. : Season 5 Episode 2

: For the first time, House admits that Wilson was his only friend, setting the stage for his mental decline later in the season. : A math teacher who received a corneal

: Apple begins to see the world as "ugly" and loses her vision, even though her eyes are physically healthy. 🩺 The Diagnosis: Cancer Stem Cells : Apple begins to see the world as

: Apple is played by Felicia Day , the sixth guest star in the series to have also appeared in Buffy the Vampire Slayer . 🧬 Themes: Perspective and Truth

: This episode is noted for being particularly "squishy," featuring a graphic brain biopsy and the physical removal of a patient's skull.

: An elderly man who received a kidney and is the only other survivor at the start.