The House M.D. episode presenting three contrasting medical cases is titled “Three Stories.”
“Three Stories” is the 21st episode of House M.D.'s first season. In the episode, Gregory House gives a medical lecture while the narrative moves among three patients with similar leg symptoms. The structure allows the show to compare diagnostic reasoning with House's own medical history.
The episode is notable because it reveals important details about the infarction that damaged House's leg and led to his chronic pain. It also shows how assumptions, incomplete information, and the pressure to act can affect medical decisions.
“Three Stories” won the Primetime Emmy Award for Outstanding Writing for a Drama Series. Its title refers to the episode's three case narratives, not to three seasons or three separate episodes. The wording is therefore more specific than simply calling it a House flashback episode.