"Gut Check" is the sixteenth episode of the eighth season of House and the 171st overall.
House and the team take on the case of a 22-year-old minor league hockey player, Bobby "The Hatchet" Hatcher who collapsed while coughing up blood after a fight on the ice.
Complications ensue, such as male breast development, and after several false diagnoses the patient is saved.
They get along well, and Wilson takes him to his apartment where the son fixes a fancy pizza with prosciutto and goat cheese.
Meanwhile, Chase offers to let Park crash at his apartment while she is having trouble with her grandmother.