5 to 9 much better than most of this season that [he] felt it deserved mention". Sepinwall praised Edelstein's acting and the episode's "day-in-the-life" format, citing "5 to 9" as proof that "there are still really strong elements to this series." Jonah Krakow of IGN rated "5 to 9" 9.2/10, signifying an "outstanding" episode. Kraków compared it positively to the earlier season six episode "Wilson", which similarly varied from the show's traditional format by depicting events from the perspective of House's friend James Wilson. He deemed the episode "amazing", calling it a "great showcase" for Edelstein and suggesting that a show centered on
3–3–5 defense they are a relatively fast but smaller unit compared to the opposing offense, and they want to cause blocking assignment issues for that offense. Also, a 3-3-5 can be adjusted to a 4-3, 3-4, or 4-4 defense with the same starting players. To effectively play the 3-3-5, the "Front 8" (e.g. the eight defensive players closest to the line of scrimmage) must be physical and tough. The three down lineman must be able to control the running lanes, execute an effective pass rush, and be able to keep the opposing offensive line occupied so that the linebackers can make plays.