What makes an episode hot in the House universe? It’s a three-part formula:

Season 2 delivers this trifecta repeatedly. Here are the episodes that run the hottest.

Why it’s hot: A charismatic, arrogant doctor (sound familiar?) is House’s patient—but he refuses treatment because he’s raising money for tuberculosis relief in Africa. This episode is a scorching debate between pragmatism and altruism. House is at his most infuriating, and Cuddy is at her most confrontational.

The real heat, however, is the subplot: House bets Cuddy he can go an entire week without taking Vicodin. The withdrawal symptoms make him even more volatile, leading to one of the series’ most intense shouting matches in Cuddy’s office.

Hot moment: “You don’t want me to get better. You want me to be manageable.” – House, throwing the truth like a grenade.

When looking for the "hot" episodes of Season 2—meaning those with the highest ratings, most intense drama, or most significant plot developments—the following five stand out as essential viewing.