" Occam's Razor " (S1E3) is often cited by viewers as the episode where the series truly "hits its stride". It famously pits against the eponymous philosophical principle, which suggests that the simplest explanation is usually the correct one. Episode Review Highlights

: Critics enjoy the developing humor and chemistry between the team, particularly the banter between Chase and Cameron regarding the physiological effects of sex. Community Perspectives

“Loved the final shot of House's hands with the one pill in one hand and two of the nearly identical pills in the other. One was medicine for the patient, the other was poison. Really loaded with symbolism.” Reddit · r/HouseMD · 7 years ago Watch & Collect

: The episode explores House’s obsession with the "puzzle" over the patient's well-being. Even after the patient recovers, House is not satisfied until he physically identifies the mislabeled pills in the hospital pharmacy.

Fans often discuss the ending's symbolism and the series' early medical accuracy.

: A 22-year-old college student collapses after sex and presents with seven seemingly unrelated symptoms. While House initially postulations a "10,000,000 to one" scenario involving two simultaneous rare diseases, the actual solution is a simple pharmacist's error.

“This shows the true nature of Gregory House and what gets him truly "high": the puzzle.” Reddit · r/HouseMD · 10 years ago