Olive says she had a horse named "The Pie" because she "wanted to be like Elizabeth Taylor". This is a reference to the movie National Velvet (1944), based on the novel by Enid Bagnold. Pie is the name of the horse belonging to Velvet Brown (Elizabeth Taylor).
"Hundin" is the German word for a female dog.
First appearance of Simone Hundin, who becomes a recurring character in Season 2.
When trying to get information from Hillary Hundin, Olive says her name is Pimiento. This is a play on words as a "pimiento" is a type of olive that has a pimiento pepper inside of it.
Saliva being compatible as a sign of a successful romance was earlier elaborated on Wonderfalls (2004), also created by Bryan Fuller.