In the scene when Casey goes back to the strip club to turn in his bid, the song playing in the background is "After Dark" by Tito and Tarantula, from Dusk Till Dawn -the one that Salma Hayek dances with the snake on her shoulders.
First appearance of Chicago Med's April Sexton (Yaya DaCosta), introduced as a high school acquaintance Kelly Severide reconnects with, two episodes before the Chicago Med backdoor pilot, I Am the Apocalypse (2015).