The Hour of Death

The episode was viewed by 5.64 million people, earning a 1.8/5 in the 18-49 rating demographics on the Nielson ratings scale, ranking second on its timeslot and fourth for the night in the 18-49 demographics, behind Last Man Standing, Shark Tank and Malibu Country.[1] This was an 8% decrease in viewership from the previous episode, which was watched by 6.11 million viewers with a 2.0/6.[2] This means that 1.8 percent of all households with televisions watched the episode, while 5 percent of all households watching television at that time watched it. With DVR factoring in, the episode was watched by 8.17 million viewers with a 2.9 ratings share in the 18-49 demographics.[3]

"The Hour of Death" received positive reviews. The A.V. Club's Kevin McFarland gave the episode a "B+" grade and wrote, "When Ryan the intern showed up a few weeks ago, it was unclear exactly what purpose he would serve. His entrance was highlighted to designate him as important, but then he lingered in the background for several weeks, knocking over a water cooler, enduring Sgt. Wu's mockery — and if the show had kept up that long con any longer, it would've been frustrating to waste that kind of screen time. But even though I saw the twist coming a few scenes before it happened, I never expected Grimm to take the turn it did, in one deft move revealing Ryan to be a formidable villain for an episode. This is Grimm at its darkest and most in tune with how to blend Nick's responsibilities as a cop with his hidden identity as a Grimm, and even with a handful of quibbles, it makes for a gripping procedural."[4]

Emily Rome of EW wrote, "Oh, boy, Grimm, way to get so... grim. In what may be the show's darkest episode yet, Nick learns more than he probably wanted to about his ancestry, and things heat up between Juliette and Renard."[5]

Nick McHatton from TV Fanatic, gave a 4.0 star rating out of 5, stating: "I've had my suspicions about Ryan ever since he mentioned taking an interest in Nick's cases, but I wasn't expecting this. 'The Hour of Death' once again played with Grimm's always-present theme of not judging a book by its cover, bringing about some very interesting developments along the way."[6]

Shilo Adams from TV Overmind, wrote: "I liked all the writing tweaks found here, but I kind of wish that we had spent more time with Ryan and had him become more of a person before pulling a reveal like this."[7]

Josie Campbell from TV.com wrote, "It was also a relief to find out Intern Ryan's deal, though it would have been nice to spend more time getting to know him as a person, not just a recurring gag, before his big reveal. Imagine if Ryan had been introduced at the beginning of the season, grown into our favorite new Portland PD addition, and then we found out his secret! Still, 'The Hour of Death' created quite the complicated character, one we can't help but pity. Let's cross our fingers for more suicidal Intern Ryan next week (or at least for learning what the heck he is)."[8]