"Quill" is the 4th episode of the supernatural drama television series Grimm of season 2 and the 26th overall, which premiered on September 3, 2012, on NBC.
After a car accident, park ranger Ryan Gilko (Kevin Shinick), is attacked by the other driver, who has an infectious disease.
Nick (David Giuntoli) and Hank (Russell Hornsby) are sent to retrieve the infected man, but are forced to kill him when he attacks.
Renard (Sasha Roiz) is informed by an ally that the royal family has sent a Nuckelavee to get Nick's key.
Adalind's cat breaks out of its cage and escapes the shop, but Rosalee (Bree Turner) and Monroe (Silas Weir Mitchell) decide not to chase after it.
The episode was viewed by 4.62 million people, earning a 1.5/4 in the 18-49 rating demographics on the Nielson ratings scale, ranking first on its timeslot and fifth for the night in the 18-49 demographics behind a rerun of 2 Broke Girls, two episodes of Hotel Hell, and a rerun of The Big Bang Theory.
'Quill' isn't Grimm's version of 28 Days Later or Dawn of the Dead or anything apocalyptic, it’s a standard plague, spreading through a small population, eventually infecting one of the major characters, before a quick remedy comes through right before the episode ends.
"[3] Nick McHatton from TV Fanatic, gave a 4.5 star rating out of 5, stating: "If there's one thing Grimm does well, it's making unlikable characters actually likable (remember my disdain for Juliette?
"[4] Shilo Adams from TV Overmind, wrote: "Grimm has done a fine job of filling out the Wesen world.