Episode 53 of "House"
s03e07 Son of a Coma Guy

Kyle comes to the hospital regularly to visit his father, Gabe, who has been in a coma for 10 years. Noticing something "off" about Kyle, House conducts a mini-experiment that leaves the boy unconscious. When symptoms point to a possible genetic condition, House and his team must glean a family history from Kyle's only living relative his comatose father. Meanwhile, Wilson confronts House about stealing his prescription pad, and Tritter (guest star David Morse) questions Cameron, Foreman and Chase, dividing the team and revealing where their individual loyalties lie.