An intact male dog was cast as Danny's large mastiff, Chelsea. Writer Taylor Elmore and actor Timothy Olyphant improvised Raylan's line, in which he observes, "Chelsea's got a big set of balls on her."
It was A.J. Buckley's idea for his character, Danny Crowe, to have a 25:17 tattoo on his chest, not because Danny is religious but because it's referenced in Pulp Fiction (1994).
Webelos is the last rank in Cub Scouts before going into Boy Scouts when the boys learn "We'll be loyal scouts."
When Albert (Danny Strong) is harassing Ava (Joelle Carter) she asks him, "Aren't you a little short for a stormtrooper?" Princess Leia says this to Luke Skywalker when he comes to rescue her from the Death Star dressed as a stormtrooper in Star Wars (1977).