All the cops are wearing official City of New York patches, and all vehicles have correct serif-style NYPD door logos.
The bar, Coopers, which Jamie and Erin are shooting pool in, is also the bar frequented by Doug Hefernan in The King of Queens (1998)
Production number 307, and was to be the 7th episode of the season, but was then scheduled to air as 6th episode of the season. After Hurricane Sandy, the episode went back to being aired in production order.
When a knife-wielding attacker dressed as Baron Samedi, the Spirit of Death, stabs a man in costume on Halloween, Danny enters the world of voodoo alongside an unexpected interim partner, Kate Lansing from the IAB (Megan Ketch).
Danny's car matches an NYPD description of a vehicle involved in a drug deal, and he is taken into custody when cocaine is found in the trunk. At the episode's conclusion, Kate tells Danny that she's returning to IAB.
When a man with multiple rat bites is thrown from a moving car, Danny works the case to find out who was trying to send a message and why, with new partner Candice "Mac" McElroy (Megan Boone), an Airborne war veteran.
When an off-duty cop tries to stop a bank robbery, he is disarmed by the "Bonnie and Clyde" robbers who take his gun and wound an innocent bystander. Danny looks into this situation with Detective Maria Baez, who will become his new long-standing partner.