Marks the first of appearance of Denise Cloyd, played by Merritt Wever, a well known comic character.
The 'Morley' pack of cigarrettes that Carol finds is a popular, albeit fictional, brand found throughout movies and TV. In particular they were made famous as the brand smoked by the Cigarette Smoking Man on The X-Files (1993).
The Wolves are based on The Scavengers from the comic series.
Marks the only onscreen appearance of well known comic book character, Holly.
The sixth highest-rated episode in the series as of February 2016, behind No Way Out (2016) (Season 6x09), Too Far Gone (2013) (Season 4x08), No Sanctuary (2014) (Season 5x01), Thank You (2015) (Season 6x03), and Killer Within (2012) (Season 3x04).