House must decide whether to take the case of his ex-love's husband and he gives medical students a lecture they'll never forget.

House is faced with a problem he may not be able to solve and Stacy returns.

When a Death Row inmate mysteriously and suddenly collapses after hallucinating, House jumps at the chance to take the case for its difficulty and because it's "cool."

Cuddy struggles with a case of guilt when her handyman is injured while at her place, and House and his team have to work fast to save the young man's pursuit of the American Dream.

House's wheels start turning when a pro-cyclist admits to taking performance-enhancing drugs.

A patient with AIDS stalks House to get him to take his case; House and Stacy stalk a mouse in her attic; and Cameron faces a health scare of her own.

A patient's death prompts an investigation into whether Chase or House may have been responsible for her death.

A journalist's head injury results in unintelligible speech, leaving House and his team at a loss; and the heat is turned up between House and Stacy when they're out of town.

While House's staff tries to diagnose a woman whose uncontrollable muscle flailing caused her to crash her car, House and Stacy try to resolve their relationship issues once and for all. Cameron refuses to take her HIV test, wary of the results.

Facing a 6-month jail term, and the realization that he won't be there for Wilson at the end, House finds himself examining his entire life while contemplating a dismal future without his best friend.