" The Hall of Egress " marked the third time that Herpich had storyboarded an episode by himself ( the first instance being the third season episode " Thank You " , and the second being the sixth season episode " Walnuts & Rain " ) . Elements in the episode were inspired by , among other things , songs by M83 and the business practices of P. T. Barnum . Upon its airing , the episode was seen by 1.245 million viewers , and received largely positive reviews from critics . It was later nominated for a Primetime Emmy Award for Short-format Animation at the 68th Primetime Emmy Awards in 2016
68th Primetime Emmy Awards
68th Primetime Emmy Awards
The Hall of Egress