At roughly 14 minutes into the episode, there are two shots of monitor screens in the off track betting facility that show lists of horse's names. At the bottom of each list are references to Patton Oswalt, the voice of Happy. The first horse's name is "It's Chaos, Be Kind". A tribute to Patton's late wife. The second horse's name is "Remy the Rat", the name of Patton's character in Ratatouille.
Hailey tells Nick to bet on a horse called 'Mr. Plinkett', this is a reference to the character featured in film reviews by RedLetterMedia.
Chris Meloni and Daniel Sunjata worked together in Law & Order: SVU. Meloni as a regular and Sunjata as a recurring lab tech.