: For the first time, House admits that Wilson was his only friend, setting the stage for his mental decline later in the season.
: An elderly man who received a kidney and is the only other survivor at the start. Not CancerHouse M.D. : Season 5 Episode 2
: 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. : For the first time, House admits that
House initially insists it is cancer, but Foreman argues that four autopsies and countless tests say otherwise. : For the first time
With Wilson (Robert Sean Leonard) refusing to speak to him, House hires a private investigator, (Michael Weston), to "spy" on Wilson and his team.